Changeset 5328


Ignore:
Timestamp:
Aug 30, 2022 1:04:58 PM (15 months ago)
Author:
toby
Message:

fullrmc new paper update

Files:
4 added
4 deleted
3 edited

Legend:

Unmodified
Added
Removed
  • Tutorials/fullrmc-SF6/fullrmc-SF6.fld/filelist.xml

    r5327 r5328  
    88 <o:File HRef="image021.png"/>
    99 <o:File HRef="image016.png"/>
    10  <o:File HRef="image001.png"/>
     10 <o:File HRef="image017.png"/>
    1111 <o:File HRef="image022.png"/>
    1212 <o:File HRef="image013.png"/>
    13  <o:File HRef="image002.png"/>
     13 <o:File HRef="image024.png"/>
    1414 <o:File HRef="image004.png"/>
    1515 <o:File HRef="image005.png"/>
    1616 <o:File HRef="image025.png"/>
    17  <o:File HRef="image003.png"/>
     17 <o:File HRef="image031.png"/>
    1818 <o:File HRef="image006.png"/>
    1919 <o:File HRef="image007.png"/>
     
    2121 <o:File HRef="image009.png"/>
    2222 <o:File HRef="image027.png"/>
    23  <o:File HRef="image023.png"/>
     23 <o:File HRef="image040.png"/>
    2424 <o:File HRef="image029.png"/>
    2525 <o:File HRef="image010.png"/>
  • Tutorials/fullrmc-SF6/fullrmc-SF6.html

    r5327 r5328  
    2323  <o:Author>Toby, Brian H.</o:Author>
    2424  <o:LastAuthor>Toby, Brian H.</o:LastAuthor>
    25   <o:Revision>24</o:Revision>
    26   <o:TotalTime>1368</o:TotalTime>
     25  <o:Revision>25</o:Revision>
     26  <o:TotalTime>1372</o:TotalTime>
    2727  <o:Created>2021-07-08T02:32:00Z</o:Created>
    28   <o:LastSaved>2022-08-30T17:46:00Z</o:LastSaved>
     28  <o:LastSaved>2022-08-30T18:02:00Z</o:LastSaved>
    2929  <o:Pages>1</o:Pages>
    30   <o:Words>3996</o:Words>
    31   <o:Characters>22780</o:Characters>
    32   <o:Lines>189</o:Lines>
     30  <o:Words>3972</o:Words>
     31  <o:Characters>22645</o:Characters>
     32  <o:Lines>188</o:Lines>
    3333  <o:Paragraphs>53</o:Paragraphs>
    34   <o:CharactersWithSpaces>26723</o:CharactersWithSpaces>
     34  <o:CharactersWithSpaces>26564</o:CharactersWithSpaces>
    3535  <o:Version>16.00</o:Version>
    3636 </o:DocumentProperties>
     
    726726        mso-fareast-theme-font:minor-fareast;}
    727727h2
    728         {mso-style-priority:9;
     728        {mso-style-noshow:yes;
     729        mso-style-priority:9;
    729730        mso-style-qformat:yes;
    730731        mso-style-link:"Heading 2 Char";
     
    753754        font-weight:normal;}
    754755h3
    755         {mso-style-priority:9;
     756        {mso-style-noshow:yes;
     757        mso-style-priority:9;
    756758        mso-style-qformat:yes;
    757759        mso-style-link:"Heading 3 Char";
     
    885887        mso-hansi-font-family:Calibri;
    886888        mso-hansi-theme-font:minor-latin;
    887         mso-bidi-font-family:Arial;
     889        mso-bidi-font-family:"Times New Roman";
    888890        mso-bidi-theme-font:minor-bidi;
    889891        color:#0070C0;
     
    892894        mso-bidi-font-weight:normal;}
    893895a:link, span.MsoHyperlink
    894         {mso-style-priority:99;
     896        {mso-style-noshow:yes;
     897        mso-style-priority:99;
    895898        color:blue;
    896899        text-decoration:underline;
     
    988991span.Heading2Char
    989992        {mso-style-name:"Heading 2 Char";
     993        mso-style-noshow:yes;
    990994        mso-style-priority:9;
    991995        mso-style-unhide:no;
     
    995999        mso-bidi-font-size:13.0pt;
    9961000        font-family:"Times New Roman",serif;
     1001        mso-ascii-font-family:"Times New Roman";
    9971002        mso-fareast-font-family:"Times New Roman";
    9981003        mso-fareast-theme-font:major-fareast;
     1004        mso-hansi-font-family:"Times New Roman";
    9991005        mso-bidi-font-family:"Times New Roman";
    10001006        mso-bidi-theme-font:major-bidi;
     
    10041010span.Heading3Char
    10051011        {mso-style-name:"Heading 3 Char";
     1012        mso-style-noshow:yes;
    10061013        mso-style-priority:9;
    10071014        mso-style-unhide:no;
     
    10611068        mso-bidi-font-size:11.0pt;
    10621069        font-family:"Times New Roman",serif;
     1070        mso-ascii-font-family:"Times New Roman";
    10631071        mso-fareast-font-family:"Times New Roman";
    10641072        mso-fareast-theme-font:minor-fareast;
     1073        mso-hansi-font-family:"Times New Roman";
     1074        mso-bidi-font-family:"Times New Roman";
    10651075        color:#0070C0;
    10661076        letter-spacing:.75pt;
     
    10791089        mso-ansi-font-size:10.0pt;
    10801090        mso-bidi-font-size:10.0pt;
     1091        font-family:"Calibri",sans-serif;
    10811092        mso-ascii-font-family:Calibri;
    10821093        mso-ascii-theme-font:minor-latin;
     
    10851096        mso-hansi-font-family:Calibri;
    10861097        mso-hansi-theme-font:minor-latin;
    1087         mso-bidi-font-family:Arial;
     1098        mso-bidi-font-family:"Times New Roman";
    10881099        mso-bidi-theme-font:minor-bidi;}
    10891100@page WordSection1
     
    12201231        font-family:Wingdings;}
    12211232@list l2
    1222         {mso-list-id:988291991;
     1233        {mso-list-id:1321731185;
    12231234        mso-list-type:hybrid;
    1224         mso-list-template-ids:278930976 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
     1235        mso-list-template-ids:792738618 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
    12251236@list l2:level1
    12261237        {mso-level-number-format:bullet;
     
    12871298        font-family:Wingdings;}
    12881299@list l3
    1289         {mso-list-id:1321731185;
     1300        {mso-list-id:1737894749;
    12901301        mso-list-type:hybrid;
    1291         mso-list-template-ids:792738618 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
     1302        mso-list-template-ids:-1132536582 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
    12921303@list l3:level1
    12931304        {mso-level-number-format:bullet;
     
    13531364        text-indent:-.25in;
    13541365        font-family:Wingdings;}
    1355 @list l4
    1356         {mso-list-id:1410612904;
    1357         mso-list-type:hybrid;
    1358         mso-list-template-ids:-982907836 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
    1359 @list l4:level1
    1360         {mso-level-number-format:bullet;
    1361         mso-level-text:;
    1362         mso-level-tab-stop:none;
    1363         mso-level-number-position:left;
    1364         text-indent:-.25in;
    1365         font-family:Symbol;}
    1366 @list l4:level2
    1367         {mso-level-number-format:bullet;
    1368         mso-level-text:o;
    1369         mso-level-tab-stop:none;
    1370         mso-level-number-position:left;
    1371         text-indent:-.25in;
    1372         font-family:"Courier New";}
    1373 @list l4:level3
    1374         {mso-level-number-format:bullet;
    1375         mso-level-text:;
    1376         mso-level-tab-stop:none;
    1377         mso-level-number-position:left;
    1378         text-indent:-.25in;
    1379         font-family:Wingdings;}
    1380 @list l4:level4
    1381         {mso-level-number-format:bullet;
    1382         mso-level-text:;
    1383         mso-level-tab-stop:none;
    1384         mso-level-number-position:left;
    1385         text-indent:-.25in;
    1386         font-family:Symbol;}
    1387 @list l4:level5
    1388         {mso-level-number-format:bullet;
    1389         mso-level-text:o;
    1390         mso-level-tab-stop:none;
    1391         mso-level-number-position:left;
    1392         text-indent:-.25in;
    1393         font-family:"Courier New";}
    1394 @list l4:level6
    1395         {mso-level-number-format:bullet;
    1396         mso-level-text:;
    1397         mso-level-tab-stop:none;
    1398         mso-level-number-position:left;
    1399         text-indent:-.25in;
    1400         font-family:Wingdings;}
    1401 @list l4:level7
    1402         {mso-level-number-format:bullet;
    1403         mso-level-text:;
    1404         mso-level-tab-stop:none;
    1405         mso-level-number-position:left;
    1406         text-indent:-.25in;
    1407         font-family:Symbol;}
    1408 @list l4:level8
    1409         {mso-level-number-format:bullet;
    1410         mso-level-text:o;
    1411         mso-level-tab-stop:none;
    1412         mso-level-number-position:left;
    1413         text-indent:-.25in;
    1414         font-family:"Courier New";}
    1415 @list l4:level9
    1416         {mso-level-number-format:bullet;
    1417         mso-level-text:;
    1418         mso-level-tab-stop:none;
    1419         mso-level-number-position:left;
    1420         text-indent:-.25in;
    1421         font-family:Wingdings;}
    1422 @list l5
    1423         {mso-list-id:1737894749;
    1424         mso-list-type:hybrid;
    1425         mso-list-template-ids:-1132536582 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
    1426 @list l5:level1
    1427         {mso-level-number-format:bullet;
    1428         mso-level-text:;
    1429         mso-level-tab-stop:none;
    1430         mso-level-number-position:left;
    1431         text-indent:-.25in;
    1432         font-family:Symbol;}
    1433 @list l5:level2
    1434         {mso-level-number-format:bullet;
    1435         mso-level-text:o;
    1436         mso-level-tab-stop:none;
    1437         mso-level-number-position:left;
    1438         text-indent:-.25in;
    1439         font-family:"Courier New";}
    1440 @list l5:level3
    1441         {mso-level-number-format:bullet;
    1442         mso-level-text:;
    1443         mso-level-tab-stop:none;
    1444         mso-level-number-position:left;
    1445         text-indent:-.25in;
    1446         font-family:Wingdings;}
    1447 @list l5:level4
    1448         {mso-level-number-format:bullet;
    1449         mso-level-text:;
    1450         mso-level-tab-stop:none;
    1451         mso-level-number-position:left;
    1452         text-indent:-.25in;
    1453         font-family:Symbol;}
    1454 @list l5:level5
    1455         {mso-level-number-format:bullet;
    1456         mso-level-text:o;
    1457         mso-level-tab-stop:none;
    1458         mso-level-number-position:left;
    1459         text-indent:-.25in;
    1460         font-family:"Courier New";}
    1461 @list l5:level6
    1462         {mso-level-number-format:bullet;
    1463         mso-level-text:;
    1464         mso-level-tab-stop:none;
    1465         mso-level-number-position:left;
    1466         text-indent:-.25in;
    1467         font-family:Wingdings;}
    1468 @list l5:level7
    1469         {mso-level-number-format:bullet;
    1470         mso-level-text:;
    1471         mso-level-tab-stop:none;
    1472         mso-level-number-position:left;
    1473         text-indent:-.25in;
    1474         font-family:Symbol;}
    1475 @list l5:level8
    1476         {mso-level-number-format:bullet;
    1477         mso-level-text:o;
    1478         mso-level-tab-stop:none;
    1479         mso-level-number-position:left;
    1480         text-indent:-.25in;
    1481         font-family:"Courier New";}
    1482 @list l5:level9
    1483         {mso-level-number-format:bullet;
    1484         mso-level-text:;
    1485         mso-level-tab-stop:none;
    1486         mso-level-number-position:left;
    1487         text-indent:-.25in;
    1488         font-family:Wingdings;}
    1489 @list l6
    1490         {mso-list-id:2117750471;
    1491         mso-list-type:hybrid;
    1492         mso-list-template-ids:-1497714776 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
    1493 @list l6:level1
    1494         {mso-level-tab-stop:none;
    1495         mso-level-number-position:left;
    1496         text-indent:-.25in;}
    1497 @list l6:level2
    1498         {mso-level-number-format:alpha-lower;
    1499         mso-level-tab-stop:none;
    1500         mso-level-number-position:left;
    1501         text-indent:-.25in;}
    1502 @list l6:level3
    1503         {mso-level-number-format:roman-lower;
    1504         mso-level-tab-stop:none;
    1505         mso-level-number-position:right;
    1506         text-indent:-9.0pt;}
    1507 @list l6:level4
    1508         {mso-level-tab-stop:none;
    1509         mso-level-number-position:left;
    1510         text-indent:-.25in;}
    1511 @list l6:level5
    1512         {mso-level-number-format:alpha-lower;
    1513         mso-level-tab-stop:none;
    1514         mso-level-number-position:left;
    1515         text-indent:-.25in;}
    1516 @list l6:level6
    1517         {mso-level-number-format:roman-lower;
    1518         mso-level-tab-stop:none;
    1519         mso-level-number-position:right;
    1520         text-indent:-9.0pt;}
    1521 @list l6:level7
    1522         {mso-level-tab-stop:none;
    1523         mso-level-number-position:left;
    1524         text-indent:-.25in;}
    1525 @list l6:level8
    1526         {mso-level-number-format:alpha-lower;
    1527         mso-level-tab-stop:none;
    1528         mso-level-number-position:left;
    1529         text-indent:-.25in;}
    1530 @list l6:level9
    1531         {mso-level-number-format:roman-lower;
    1532         mso-level-tab-stop:none;
    1533         mso-level-number-position:right;
    1534         text-indent:-9.0pt;}
    15351366ol
    15361367        {margin-bottom:0in;}
     
    15581389        mso-hansi-font-family:Calibri;
    15591390        mso-hansi-theme-font:minor-latin;
    1560         mso-bidi-font-family:Arial;
     1391        mso-bidi-font-family:"Times New Roman";
    15611392        mso-bidi-theme-font:minor-bidi;}
    15621393</style>
     
    15771408with fullrmc: SF<sub>6</sub><o:p></o:p></span></h1>
    15781409
    1579 <p class=MsoListParagraph style='text-indent:-.25in;mso-list:l3 level1 lfo5'><BL><![if !supportLists]><span
     1410<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo2'><BL><![if !supportLists]><span
    15801411style='mso-bidi-font-size:16.0pt;font-family:Symbol;mso-fareast-font-family:
    15811412Symbol;mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
     
    16121443mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    16131444
    1614 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    1615 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    1616 mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
    1617 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    1618 mso-bidi-theme-font:major-bidi'>“Fullrmc, a Rigid Body Reverse Monte Carlo
    1619 Modeling Package Enabled with Machine Learning and Artificial Intelligence”, B.
    1620 Aoun, <i>Jour. Comp. Chem</i>. 2016, 37, 1102-1111. DOI: <a
    1621 href="https://doi.org/10.1002/jcc.24304">https://doi.org/10.1002/jcc.24304</a>).
    1622 <o:p></o:p></span></p>
    1623 
    1624 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    1625 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    1626 mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
    1627 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    1628 mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    1629 
    1630 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    1631 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    1632 mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
    1633 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    1634 mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    1635 
    1636 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    1637 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    1638 mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
    1639 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     1445<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     144616.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1447mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-font-family:
     1448"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     1449mso-bidi-theme-font:major-bidi'>“Atomic Stochastic Modeling &amp; Optimization
     1450with fullrmc”, B. Aoun, <i>J. Appl. <span class=SpellE>Cryst</span></i>. 2022, (in
     1451press). <o:p></o:p></span></p>
     1452
     1453<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     145416.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1455mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-font-family:
     1456"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     1457mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
     1458
     1459<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     146016.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1461mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-font-family:
     1462"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    16401463mso-bidi-theme-font:major-bidi'>“Fullrmc, a Rigid Body Reverse Monte Carlo
    16411464Modeling Package Enabled with Machine Learning and Artificial Intelligence”, B.
     
    16891512fullrmc. GSAS-II will create a <span class=GramE>fairly simple</span> script
    16901513incorporating an atomic model exported from GSAS-II that runs fullrmc in a
    1691 fairly straightforward manner. More experienced users may wish to use this script
    1692 as a starting point to create much more sophisticated fitting approaches. </span><span
    1693 style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    1694 mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     1514fairly straightforward manner. More experienced users may wish to use this
     1515script as a starting point to create much more sophisticated fitting
     1516approaches. </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     1517"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    16951518mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    16961519mso-bidi-theme-font:major-bidi'><o:p></o:p></span></p>
     
    17231546"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    17241547mso-bidi-theme-font:major-bidi'>is available for cloud computing via <a
    1725 href="https://www.fullrmc.com/">fullrmc.com</a>. This cloud version also
    1726 provides proprietary features such as machine learning.</span><span
    1727 style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    1728 mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    1729 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    1730 mso-bidi-theme-font:major-bidi'><o:p></o:p></span></p>
     1548href="https://www.fullrmc.com/">fullrmc.com</a>. This cloud version also provides
     1549proprietary features such as machine learning.</span><span style='mso-bidi-font-size:
     155016.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1551mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
     1552mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'><o:p></o:p></span></p>
    17311553
    17321554<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    18261648 <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/>
    18271649 <o:lock v:ext="edit" aspectratio="t"/>
    1828 </v:shapetype><v:shape id="Picture_x0020_18" o:spid="_x0000_i1059" type="#_x0000_t75"
    1829  alt="Graphical user interface, text, application, chat or text message&#10;&#10;Description automatically generated"
     1650</v:shapetype><v:shape id="_x0000_i1059" type="#_x0000_t75" alt="Graphical user interface, text, application, chat or text message&#10;&#10;Description automatically generated"
    18301651 style='width:565pt;height:244pt;visibility:visible;mso-wrap-style:square'>
    18311652 <v:imagedata src="fullrmc-SF6.fld/image018.png" o:title="Graphical user interface, text, application, chat or text message&#10;&#10;Description automatically generated"/>
     
    18331654src="fullrmc-SF6.fld/image018.png"
    18341655alt="Graphical user interface, text, application, chat or text message&#10;&#10;Description automatically generated"
    1835 v:shapes="Picture_x0020_18"><![endif]></span><span style='mso-bidi-font-size:
    1836 16.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1656v:shapes="_x0000_i1059"><![endif]></span><span style='mso-bidi-font-size:16.0pt;
     1657mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
    18371658mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    18381659mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'><o:p></o:p></span></p>
     
    18481669mso-bidi-theme-font:major-bidi'>If “Yes” is pressed, a message like the one
    18491670below in the console window. The file name for the download will vary depending
    1850 on the type of computer you have and the location where GSAS-II is installed. The
    1851 download time may vary from many minutes to fractions of a minute. <span
    1852 style='mso-spacerun:yes'> </span><o:p></o:p></span></p>
     1671on the type of computer you have and the location where GSAS-II is installed.
     1672The download time may vary from many minutes to fractions of a minute.<span
     1673style='mso-spacerun:yes'>  </span><o:p></o:p></span></p>
    18531674
    18541675<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    19221743mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    19231744mso-bidi-theme-font:major-bidi'>It has been seen that the windows .exe file did
    1924 not run at least one minimal Windows installation without installation of Microsoft-supplied
    1925 .DLL file(s). Running the file <a
     1745not run at least one minimal Windows installation without installation of
     1746Microsoft-supplied .DLL file(s). Running the file <a
    19261747href="https://aka.ms/vs/17/release/vc_redist.x64.exe">https://aka.ms/vs/17/release/vc_redist.x64.exe</a>
    19271748from <a
     
    19461767"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    19471768mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    1948 mso-bidi-theme-font:major-bidi'>This step is optional, but if performed you will
    1949 follow the steps </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     1769mso-bidi-theme-font:major-bidi'>This step is optional, but if performed you
     1770will follow the steps </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    19501771"Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    19511772mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
     
    19751796mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    19761797mso-bidi-theme-font:major-bidi'>Start GSAS-II. Use the <b style='mso-bidi-font-weight:
    1977 normal'>Import/Phase/from GSAS .EXP file</b> menu item to read the phase
    1978 information for SF<sub>6 </sub>into the current GSAS-II project from file </span><b
     1798normal'>Import/Phase/from GSAS .EXP file</b> menu item to read the phase information
     1799for SF<sub>6 </sub>into the current GSAS-II project from file </span><b
    19791800style='mso-bidi-font-weight:normal'><span style='mso-bidi-font-size:16.0pt;
    19801801mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     
    19971818group <i>Im</i>3<i>m</i> (or equivalently <i>Im</i>-3<i>m</i>). While GSAS-II
    19981819will accept the space group without inclusion of spaces, the correct input
    1999 would separate the symmetry axes with spaces (<span class=SpellE>I m</span> 3 m).
    2000 Enter the one lattice parameter, a=5.887. There are two atoms: S atom at 0,0,0
    2001 and a F at 0.251,0,0.] <o:p></o:p></span></p>
     1820would separate the symmetry axes with spaces (<span class=SpellE>I m</span> 3
     1821m). Enter the one lattice parameter, a=5.887. There are two atoms: S atom at
     18220,0,0 and a F at 0.251,0,0.] <o:p></o:p></span></p>
    20021823
    20031824<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    20161837mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    20171838mso-bidi-theme-font:major-bidi;mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    2018  id="Picture_x0020_21" o:spid="_x0000_i1058" type="#_x0000_t75" alt="Graphical user interface, application&#10;&#10;Description automatically generated"
     1839 id="_x0000_i1058" type="#_x0000_t75" alt="Graphical user interface, application&#10;&#10;Description automatically generated"
    20191840 style='width:634pt;height:172pt;visibility:visible;mso-wrap-style:square'>
    20201841 <v:imagedata src="fullrmc-SF6.fld/image019.png" o:title="Graphical user interface, application&#10;&#10;Description automatically generated"/>
     
    20221843src="fullrmc-SF6.fld/image019.png"
    20231844alt="Graphical user interface, application&#10;&#10;Description automatically generated"
    2024 v:shapes="Picture_x0020_21"><![endif]></span><span style='mso-bidi-font-size:
    2025 16.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     1845v:shapes="_x0000_i1058"><![endif]></span><span style='mso-bidi-font-size:16.0pt;
     1846mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
    20261847mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    20271848mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'><o:p></o:p></span></p>
     
    20561877"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    20571878mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    2058 mso-bidi-theme-font:major-bidi'>Select the “SF6” phase tree item, if not
    2059 already selected; then select the RMC tab. On this window, select fullrmc.<o:p></o:p></span></p>
     1879mso-bidi-theme-font:major-bidi'>Select the “SF6” phase tree item, if not already
     1880selected; then select the RMC tab. On this window, select fullrmc.<o:p></o:p></span></p>
    20601881
    20611882<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    21141935mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    21151936
    2116 <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l3 level1 lfo5'><![if !supportLists]><span
     1937<p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span
    21171938style='font-size:15.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
    21181939mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
     
    21211942the three lattice multipliers to 5 <o:p></o:p></span></p>
    21221943
    2123 <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l3 level1 lfo5'><![if !supportLists]><span
     1944<p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span
    21241945style='font-size:15.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
    21251946mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
     
    21291950model are saved for plotting<o:p></o:p></span></p>
    21301951
    2131 <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l3 level1 lfo5'><![if !supportLists]><span
     1952<p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span
    21321953style='font-size:15.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
    21331954mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
     
    21371958has no effect for the first fullrmc run for a project). <o:p></o:p></span></p>
    21381959
    2139 <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l3 level1 lfo5'><![if !supportLists]><span
     1960<p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span
    21401961style='font-size:15.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
    21411962mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
    21421963style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span
    2143 dir=LTR></span><span style='font-size:15.0pt'>Create distance constraints to
    2144 place hard limits on the maximum and minimum S-F and F-F distances: <o:p></o:p></span></p>
     1964dir=LTR></span><span style='font-size:15.0pt'>Create distance constraints to place
     1965hard limits on the maximum and minimum S-F and F-F distances: <o:p></o:p></span></p>
    21451966
    21461967<p class=MsoListParagraphCxSpMiddle style='margin-left:1.0in;mso-add-space:
    2147 auto;text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     1968auto;text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    21481969style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    21491970style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    21701991
    21711992<p class=MsoListParagraphCxSpMiddle style='margin-left:1.0in;mso-add-space:
    2172 auto;text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     1993auto;text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    21731994style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    21741995style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    21942015style='font-size:15.0pt'>.<o:p></o:p></span></p>
    21952016
    2196 <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l3 level1 lfo5'><![if !supportLists]><span
     2017<p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span
    21972018style='font-size:15.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
    21982019mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'>·<span
     
    22022023
    22032024<p class=MsoListParagraphCxSpMiddle style='margin-left:1.0in;mso-add-space:
    2204 auto;text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     2025auto;text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    22052026style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    22062027style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    22112032
    22122033<p class=MsoListParagraphCxSpMiddle style='margin-left:1.0in;mso-add-space:
    2213 auto;text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     2034auto;text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    22142035style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    22152036style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    22202041
    22212042<p class=MsoListParagraphCxSpMiddle style='margin-left:1.0in;mso-add-space:
    2222 auto;text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     2043auto;text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    22232044style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    22242045style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    22292050
    22302051<p class=MsoListParagraphCxSpLast style='margin-left:1.0in;mso-add-space:auto;
    2231 text-indent:-.25in;mso-list:l3 level2 lfo5'><![if !supportLists]><span
     2052text-indent:-.25in;mso-list:l2 level2 lfo2'><![if !supportLists]><span
    22322053style='font-size:15.0pt;font-family:"Courier New";mso-fareast-font-family:"Courier New"'><span
    22332054style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;
     
    22752096  croptop="2756f" cropbottom="5296f" cropleft="3355f" cropright="3578f"/>
    22762097</v:shape><![endif]--><![if !vml]><img border=0 width=638 height=518
    2277 src="fullrmc-SF6.fld/image001.png"
     2098src="fullrmc-SF6.fld/image017.png"
    22782099alt="Graphical user interface, text, application&#10;&#10;Description automatically generated"
    22792100v:shapes="Picture_x0020_37"><![endif]></span><span style='mso-bidi-font-size:
     
    23242145mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    23252146mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'> =&gt;
    2326 Execute menu command to start fullrmc. This creates either a shell script
    2327 (fullrmc.sh) or a Windows .bat script (fullrmc.bat) to run fullrmc. A reminder
    2328 on citations is displayed, as below: <o:p></o:p></span></p>
     2147Execute menu command to start fullrmc. This creates either a shell script (fullrmc.sh)
     2148or a Windows .bat script (fullrmc.bat) to run fullrmc. A reminder on citations
     2149is displayed, as below: <o:p></o:p></span></p>
    23292150
    23302151<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    23712192  cropbottom="10016f" cropleft="5351f" cropright="5294f"/>
    23722193</v:shape><![endif]--><![if !vml]><img border=0 width=403 height=259
    2373 src="fullrmc-SF6.fld/image002.png" v:shapes="Picture_x0020_1"><![endif]></span><span
     2194src="fullrmc-SF6.fld/image024.png" v:shapes="Picture_x0020_1"><![endif]></span><span
    23742195style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    23752196mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     
    23822203mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    23832204
    2384 <p class=MsoSubtitle><span style='font-size:16.0pt'>Step 2.4. Plot fullrmc
    2385 results<o:p></o:p></span></p>
     2205<p class=MsoSubtitle><span style='font-size:16.0pt'>Step 2.4. Plot fullrmc results<o:p></o:p></span></p>
    23862206
    23872207<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    24512271mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    24522272mso-bidi-theme-font:major-bidi;mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    2453  id="Picture_x0020_25" o:spid="_x0000_i1050" type="#_x0000_t75" alt="Text&#10;&#10;Description automatically generated"
     2273 id="_x0000_i1050" type="#_x0000_t75" alt="Text&#10;&#10;Description automatically generated"
    24542274 style='width:442pt;height:280pt;visibility:visible;mso-wrap-style:square'
    2455  o:bordertopcolor="yellow pure" o:borderleftcolor="yellow pure"
    2456  o:borderbottomcolor="yellow pure" o:borderrightcolor="yellow pure">
     2275 o:bordertopcolor="black" o:borderleftcolor="black" o:borderbottomcolor="black"
     2276 o:borderrightcolor="black">
    24572277 <v:imagedata src="fullrmc-SF6.fld/image025.png" o:title="Text&#10;&#10;Description automatically generated"
    24582278  croptop="5099f" cropbottom="10606f" cropleft="5283f" cropright="5238f"/>
     
    24622282 <w:borderright type="single" width="6"/>
    24632283</v:shape><![endif]--><![if !vml]><img border=0 width=444 height=282
    2464 src="fullrmc-SF6.fld/image003.png"
    2465 alt="Text&#10;&#10;Description automatically generated" v:shapes="Picture_x0020_25"><![endif]></span><span
     2284src="fullrmc-SF6.fld/image031.png"
     2285alt="Text&#10;&#10;Description automatically generated" v:shapes="_x0000_i1050"><![endif]></span><span
    24662286style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    24672287mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     
    26312451mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    26322452mso-bidi-theme-font:major-bidi'>The final atom positions generated in fullrmc
    2633 can be imported back into GSAS-II in one of two ways for viewing or other possible
    2634 post-analysis. The <span class=GramE>Operations</span> =&gt; “Load Supercell”
    2635 menu command will input the atoms in the “big box” used for the model as a new
    2636 phase. Here this will result in a structure with 1750 atoms in a unit cell with
    2637 29.4 Å sides. One the fit results are loaded, a new phase named SF6_fullrmc
    2638 will be created. Click on this phase to view it and then click on the “Draw
    2639 Atoms” tab to transfer the loaded atoms into the “draw array” then click on
    2640 “Draw Options” to update the structure plot. The figure below shows the
    2641 structure after using the sliders to move the “Camera Distance” to ~110 Å, the
    2642 “Z-clipping” to &gt;35 Å and the “van der Waals scale” to about 0.2. <o:p></o:p></span></p>
     2453can be imported back into GSAS-II in one of two ways for viewing or other
     2454possible post-analysis. The <span class=GramE>Operations</span> =&gt; “Load
     2455Supercell” menu command will input the atoms in the “big box” used for the
     2456model as a new phase. Here this will result in a structure with 1750 atoms in a
     2457unit cell with 29.4 Å sides. One the fit results are loaded, a new phase named
     2458SF6_fullrmc will be created. Click on this phase to view it and then click on
     2459the “Draw Atoms” tab to transfer the loaded atoms into the “draw array” then
     2460click on “Draw Options” to update the structure plot. The figure below shows
     2461the structure after using the sliders to move the “Camera Distance” to ~110 Å,
     2462the “Z-clipping” to &gt;35 Å and the “van der Waals scale” to about 0.2. <o:p></o:p></span></p>
    26432463
    26442464<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    26562476  cropbottom="1251f" cropleft="10164f" cropright="5265f"/>
    26572477</v:shape><![endif]--><![if !vml]><img border=0 width=307 height=306
    2658 src="fullrmc-SF6.fld/image023.png" v:shapes="_x0000_i1045"><![endif]></span><span
     2478src="fullrmc-SF6.fld/image040.png" v:shapes="_x0000_i1045"><![endif]></span><span
    26592479style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    26602480mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     
    26832503phase used to create it.) Since the previous step created phase named
    26842504SF6_fullrmc, this new phase will be named SF6_fullrmc_1 so that phase names are
    2685 unique. After clicking on “Draw Atoms” and then “Draw Options,” the “superimposed”
    2686 cell appears as displayed below, again after the “van der Waals scale” is
    2687 lowered to about 0.05.<o:p></o:p></span></p>
     2505unique. After clicking on “Draw Atoms” and then “Draw Options,” the
     2506“superimposed” cell appears as displayed below, again after the “van der Waals
     2507scale” is lowered to about 0.05.<o:p></o:p></span></p>
    26882508
    26892509<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    27402560"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    27412561mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    2742 mso-bidi-theme-font:major-bidi'>The previous fit in fullrmc, as well as the similar
    2743 tutorial for </span><span class=SpellE><span style='mso-bidi-font-size:16.0pt;
    2744 mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     2562mso-bidi-theme-font:major-bidi'>The previous fit in fullrmc, as well as the
     2563similar tutorial for </span><span class=SpellE><span style='mso-bidi-font-size:
     256416.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
    27452565mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-font-family:
    27462566"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     
    27492569mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    27502570mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>, create
    2751 energetically implausible structures for SF<sub>6</sub> molecules. The reason the
    2752 previous model is unrealistic is that the packing forces that cause the
    2753 molecules to shift from the crystallographic high symmetry positions and orientations
    2754 are too small to cause any significant distortion of the SF<sub>6</sub>
     2571energetically implausible structures for SF<sub>6</sub> molecules. The reason
     2572the previous model is unrealistic is that the packing forces that cause the
     2573molecules to shift from the crystallographic high symmetry positions and
     2574orientations are too small to cause any significant distortion of the SF<sub>6</sub>
    27552575molecule from its idealized octahedral geometry. Vibrational modes do allow for
    2756 instantaneous distortions, by bending the F-S-F angles and stretching/compressing
    2757 the S-F bonds, these displacements are typically small. <o:p></o:p></span></p>
     2576instantaneous distortions, by bending the F-S-F angles and
     2577stretching/compressing the S-F bonds, these displacements are typically small. <o:p></o:p></span></p>
    27582578
    27592579<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    27672587mso-bidi-theme-font:major-bidi'>The unrealistic model found in <span
    27682588class=SpellE>RMCProfile</span> as well as here in Step 2, results from the
    2769 fitting process using atomic shifts to treat two different phenomena, static and
    2770 vibrational disorder. Even at 0 K, atoms are in constant <span class=GramE>motion</span>
    2771 and this gives rise to broadening of PDF peaks. Note that here it is this instantaneous
    2772 vibrational distortion that broadens the first two peaks, corresponding to the
    2773 S-F bond and the F-F next-nearest distance, not static disorder. The static
    2774 displacements of the molecules from their idealized positions could be where
    2775 the S atoms move from the ideal locations at (0,0,0) and (<span class=GramE>½,½</span>,½)
    2776 and/or where the molecule rotates so that the SF bonds are no longer oriented along
    2777 the unit cell axes. <o:p></o:p></span></p>
     2589fitting process using atomic shifts to treat two different phenomena, static
     2590and vibrational disorder. Even at 0 K, atoms are in constant <span class=GramE>motion</span>
     2591and this gives rise to broadening of PDF peaks. Note that here it is this
     2592instantaneous vibrational distortion that broadens the first two peaks,
     2593corresponding to the S-F bond and the F-F next-nearest distance, not static
     2594disorder. The static displacements of the molecules from their idealized
     2595positions could be where the S atoms move from the ideal locations at (0,0,0)
     2596and (<span class=GramE>½,½</span>,½) and/or where the molecule rotates so that
     2597the SF bonds are no longer oriented along the unit cell axes. <o:p></o:p></span></p>
    27782598
    27792599<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    27872607mso-bidi-theme-font:major-bidi'>One of the advantages of fullrmc is that it is
    27882608a framework where nearly any model can be evolved using virtually any protocol
    2789 that one can devise, but it should also be understood that many features of fullrmc
    2790 are not available within the GSAS-II GUI. To access the full power of fullrmc one
    2791 must edit fullrmc scripts manually or use the fullrmc.com interface. Note however,
    2792 that if GSAS-II does not provide access to desired fullrmc features, the scripts
    2793 created by GSAS-II may still be of value as a starting point for customized use.
    2794 <o:p></o:p></span></p>
     2609that one can devise, but it should also be understood that many features of
     2610fullrmc are not available within the GSAS-II GUI. To access the full power of
     2611fullrmc one must edit fullrmc scripts manually or use the fullrmc.com
     2612interface. Note however, that if GSAS-II does not provide access to desired
     2613fullrmc features, the scripts created by GSAS-II may still be of value as a
     2614starting point for customized use. <o:p></o:p></span></p>
    27952615
    27962616<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    28032623mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    28042624mso-bidi-theme-font:major-bidi'>In the second part of this <span class=GramE>tutorial</span>
    2805 we will use the fullrmc software to pack idealized octahedral SF<sub>6</sub>
    2806 molecules as rigid units into a supercell but with displacements and/or
    2807 rotations of these molecules, but we will not allow these units to distort. <o:p></o:p></span></p>
     2625we will use the fullrmc software to pack idealized octahedral SF<sub>6</sub> molecules
     2626as rigid units into a supercell but with displacements and/or rotations of
     2627these molecules, but we will not allow these units to distort. <o:p></o:p></span></p>
    28082628
    28092629<p class=MsoSubtitle><span style='font-size:16.0pt;mso-fareast-font-family:
     
    28202640mso-bidi-theme-font:major-bidi'>First, we need to create a single discrete SF<sub>6</sub>
    28212641molecular unit so that we can designate this as a rigid unit. This requires
    2822 lowering symmetry. Then we can use this discrete molecule as a building block for
    2823 our supercell. <o:p></o:p></span></p>
     2642lowering symmetry. Then we can use this discrete molecule as a building block
     2643for our supercell. <o:p></o:p></span></p>
    28242644
    28252645<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    28322652mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    28332653mso-bidi-theme-font:major-bidi'>Start by opening the SF6fit.gpx file created in
    2834 the previous step (or repeat the instructions in Step 2.1 to create the asymmetric
    2835 unit again.) In the Atoms tab of the SF6 Phase tree entry, note that the
    2836 asymmetric unit has two atoms, as shown below:<o:p></o:p></span></p>
     2654the previous step (or repeat the instructions in Step 2.1 to create the
     2655asymmetric unit again.) In the Atoms tab of the SF6 Phase tree entry, note that
     2656the asymmetric unit has two atoms, as shown below:<o:p></o:p></span></p>
    28372657
    28382658<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    28542674mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    28552675mso-bidi-theme-font:major-bidi'>The space group here, <i>Im</i>-3<i>m</i>, has
    2856 24 general symmetry operations; these are doubled by a center of symmetry generator
    2857 and doubled again by the body centering generator, yielding a total of 96
    2858 symmetry operations. Both the F and S atoms are on special positions, so that
    2859 the unit cell contains 2 S atoms and 12 F atoms, as noted by the site
     267624 general symmetry operations; these are doubled by a center of symmetry
     2677generator and doubled again by the body centering generator, yielding a total
     2678of 96 symmetry operations. Both the F and S atoms are on special positions, so
     2679that the unit cell contains 2 S atoms and 12 F atoms, as noted by the site
    28602680multiplicities shown above. If we reduce the symmetry to P 1, we will obtain an
    28612681asymmetric unit with two SF<sub>6</sub> molecular units. This would work for
     
    28742694
    28752695<p class=MsoListParagraph style='margin-left:.75in;mso-add-space:auto;
    2876 text-indent:-.25in;mso-list:l0 level1 lfo6'><![if !supportLists]><span
     2696text-indent:-.25in;mso-list:l0 level1 lfo4'><![if !supportLists]><span
    28772697style='font-size:15.0pt'><span style='mso-list:Ignore'>1)<span
    28782698style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp; </span></span></span><![endif]><span
     
    28842704
    28852705<h3 style='margin-left:.5in'><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    2886  id="_x0000_i1042" type="#_x0000_t75" style='width:331pt;height:377pt;
    2887  visibility:visible;mso-wrap-style:square'>
     2706 id="Picture_x0020_18" o:spid="_x0000_i1042" type="#_x0000_t75" style='width:331pt;
     2707 height:377pt;visibility:visible;mso-wrap-style:square'>
    28882708 <v:imagedata src="fullrmc-SF6.fld/image026.png" o:title=""/>
    28892709</v:shape><![endif]--><![if !vml]><img border=0 width=331 height=377
    2890 src="fullrmc-SF6.fld/image026.png" v:shapes="_x0000_i1042"><![endif]></span></h3>
    2891 
    2892 <p class=MsoListParagraph><span style='font-size:15.0pt'>This will open a window
    2893 for space group input (as below). Enter “I 1” (“<span class=SpellE>i</span> 1”
    2894 is also fine but note that at least one space between the “I” and the digit “1”
    2895 is needed so that GSAS-II can interpret the space group properly.) <o:p></o:p></span></p>
     2710src="fullrmc-SF6.fld/image026.png" v:shapes="Picture_x0020_18"><![endif]></span></h3>
     2711
     2712<p class=MsoListParagraph><span style='font-size:15.0pt'>This will open a
     2713window for space group input (as below). Enter “I 1” (“<span class=SpellE>i</span>
     27141” is also fine but note that at least one space between the “I” and the digit
     2715“1” is needed so that GSAS-II can interpret the space group properly.) <o:p></o:p></span></p>
    28962716
    28972717<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     
    29482768mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
    29492769mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    2950 mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>Next, press
    2951 OK to perform the transformation. A new phase named “SF6 <span class=SpellE>abc</span>”
    2952 is created (<span class=SpellE>abc</span> here indicates that the a, b &amp; c axes
    2953 are retained in their original order). To help remind me which phase has lowered
    2954 symmetry, I renamed this to SF6-I1 with the Phase name entry on the General
    2955 tab, but this action is optional. <o:p></o:p></span></p>
     2770mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>Next,
     2771press OK to perform the transformation. A new phase named “SF6 <span
     2772class=SpellE>abc</span>” is created (<span class=SpellE>abc</span> here
     2773indicates that the a, b &amp; c axes are retained in their original order). To
     2774help remind me which phase has lowered symmetry, I renamed this to SF6-I1 with
     2775the Phase name entry on the General tab, but this action is optional. <o:p></o:p></span></p>
    29562776
    29572777<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     
    29592779mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    29602780mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi;
    2961 mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="_x0000_i1039" type="#_x0000_t75"
    2962  style='width:370pt;height:115pt;visibility:visible;mso-wrap-style:square'>
     2781mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_21" o:spid="_x0000_i1039"
     2782 type="#_x0000_t75" style='width:370pt;height:115pt;visibility:visible;
     2783 mso-wrap-style:square'>
    29632784 <v:imagedata src="fullrmc-SF6.fld/image032.png" o:title=""/>
    29642785</v:shape><![endif]--><![if !vml]><img border=0 width=370 height=115
    2965 src="fullrmc-SF6.fld/image032.png" v:shapes="_x0000_i1039"><![endif]></span><span
     2786src="fullrmc-SF6.fld/image032.png" v:shapes="Picture_x0020_21"><![endif]></span><span
    29662787style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    29672788mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     
    29772798mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
    29782799mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    2979 mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>Note that
    2980 now that the asymmetric unit contains 1 S atom and 6 F atoms, as desired:<o:p></o:p></span></p>
     2800mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>Note
     2801that now that the asymmetric unit contains 1 S atom and 6 F atoms, as desired:<o:p></o:p></span></p>
    29812802
    29822803<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     
    30082829major-bidi;mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    30092830mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>
    3010 selecting the Draw Atoms tab shows us that the asymmetric unit does not yet contain
    3011 a discrete SF<sub>6</sub> unit:<o:p></o:p></span></p>
     2831selecting the Draw Atoms tab shows us that the asymmetric unit does not yet
     2832contain a discrete SF<sub>6</sub> unit:<o:p></o:p></span></p>
    30122833
    30132834<p class=MsoNormal style='margin-left:.5in'><span style='mso-bidi-font-size:
     
    30292850
    30302851<p class=MsoListParagraphCxSpLast style='margin-left:.75in;mso-add-space:auto;
    3031 text-indent:-.25in;mso-list:l0 level1 lfo6'><![if !supportLists]><span
     2852text-indent:-.25in;mso-list:l0 level1 lfo4'><![if !supportLists]><span
    30322853style='font-size:15.0pt'><span style='mso-list:Ignore'>2)<span
    30332854style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp; </span></span></span><![endif]><span
     
    30432864
    30442865<h3 style='margin-left:.5in'><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    3045  id="_x0000_i1036" type="#_x0000_t75" style='width:212pt;height:330pt;
    3046  visibility:visible;mso-wrap-style:square'>
     2866 id="Picture_x0020_24" o:spid="_x0000_i1036" type="#_x0000_t75" style='width:212pt;
     2867 height:330pt;visibility:visible;mso-wrap-style:square'>
    30472868 <v:imagedata src="fullrmc-SF6.fld/image028.png" o:title=""/>
    30482869</v:shape><![endif]--><![if !vml]><img border=0 width=212 height=330
    3049 src="fullrmc-SF6.fld/image028.png" v:shapes="_x0000_i1036"><![endif]></span></h3>
     2870src="fullrmc-SF6.fld/image028.png" v:shapes="Picture_x0020_24"><![endif]></span></h3>
    30502871
    30512872<h3><o:p>&nbsp;</o:p></h3>
     
    30552876the last three F atoms). In the next window, select that we want to place atoms
    30562877closest to the unit cell origin. This command will generate all <span
    3057 class=GramE>the <span style='mso-spacerun:yes'> </span>symmetry</span>-related
     2878class=GramE>the<span style='mso-spacerun:yes'>  </span>symmetry</span>-related
    30582879positions for each atom, as well as considering unit cell translations and will
    30592880select from the generated locations the position closest to (0,0,0). <o:p></o:p></span></p>
    30602881
    30612882<h3 style='margin-left:.5in'><span style='font-size:15.0pt;mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    3062  id="_x0000_i1035" type="#_x0000_t75" style='width:223pt;height:207pt;
    3063  visibility:visible;mso-wrap-style:square'>
     2883 id="Picture_x0020_25" o:spid="_x0000_i1035" type="#_x0000_t75" style='width:223pt;
     2884 height:207pt;visibility:visible;mso-wrap-style:square'>
    30642885 <v:imagedata src="fullrmc-SF6.fld/image039.png" o:title=""/>
    30652886</v:shape><![endif]--><![if !vml]><img border=0 width=223 height=207
    3066 src="fullrmc-SF6.fld/image039.png" v:shapes="_x0000_i1035"><![endif]></span><span
     2887src="fullrmc-SF6.fld/image039.png" v:shapes="Picture_x0020_25"><![endif]></span><span
    30672888style='font-size:15.0pt'><o:p></o:p></span></h3>
    30682889
     
    30732894
    30742895<p class=MsoListParagraphCxSpMiddle><span style='font-size:15.0pt;mso-no-proof:
    3075 yes'><!--[if gte vml 1]><v:shape id="_x0000_i1034" type="#_x0000_t75" style='width:281pt;
    3076  height:234pt;visibility:visible;mso-wrap-style:square'>
     2896yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_26" o:spid="_x0000_i1034"
     2897 type="#_x0000_t75" style='width:281pt;height:234pt;visibility:visible;
     2898 mso-wrap-style:square'>
    30772899 <v:imagedata src="fullrmc-SF6.fld/image035.png" o:title=""/>
    30782900</v:shape><![endif]--><![if !vml]><img border=0 width=281 height=234
    3079 src="fullrmc-SF6.fld/image035.png" v:shapes="_x0000_i1034"><![endif]></span><span
     2901src="fullrmc-SF6.fld/image035.png" v:shapes="Picture_x0020_26"><![endif]></span><span
    30802902style='font-size:15.0pt'><o:p></o:p></span></p>
    30812903
     
    30832905
    30842906<p class=MsoListParagraphCxSpLast><span style='font-size:15.0pt'>Suggestion:
    3085 Use File -&gt; “Save Project as…” to save this project under a new name. Here, I
    3086 used “SF6_I1”.<o:p></o:p></span></p>
     2907Use File -&gt; “Save Project as…” to save this project under a new name. Here,
     2908I used “SF6_I1”.<o:p></o:p></span></p>
    30872909
    30882910<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    31002922<p class=MsoSubtitle><span style='font-size:16.0pt'>Step 4.1. Setup fullrmc<o:p></o:p></span></p>
    31012923
    3102 <p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo7'><![if !supportLists]><span
     2924<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo6'><![if !supportLists]><span
    31032925style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
    31042926Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
     
    31062928SF6_I1, and change the supercell parameters to 5x5x5 as before and likewise
    31072929select 100 sets of 5K cycles. Also, as was done in step 2.2, we load the
    3108 Neutron G(r) PDF, file sf6_190_gr.dat file and the neutron S(Q)-1 file sf6_190_fq.dat.
    3109 </p>
     2930Neutron G(r) PDF, file sf6_190_gr.dat file and the neutron S(Q)-1 file
     2931sf6_190_fq.dat. </p>
    31102932
    31112933<p class=MsoNormal><o:p>&nbsp;</o:p></p>
    31122934
    3113 <p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo7'><![if !supportLists]><span
     2935<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo6'><![if !supportLists]><span
    31142936style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
    31152937Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    31162938</span></span></span><![endif]><span dir=LTR></span>However, instead of setting
    31172939bond distances as bonding constraints, in this simulation we want to define the
    3118 SF<sub>6</sub> unit as a group of atoms that should be moved as a rigid unit. Note
    3119 that fullrmc does allow both bond constraints and rigid bodies to be used at
    3120 the same time, but for this fit this is not needed. Rigid bodies are defined by
    3121 grouping together the atoms within the body. Do this by pressing the “Define
     2940SF<sub>6</sub> unit as a group of atoms that should be moved as a rigid unit.
     2941Note that fullrmc does allow both bond constraints and rigid bodies to be used
     2942at the same time, but for this fit this is not needed. Rigid bodies are defined
     2943by grouping together the atoms within the body. Do this by pressing the “Define
    31222944atom group” button. When this is done an atom selection window is opened, as
    31232945shown below: </p>
     
    31272949mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    31282950mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi;
    3129 mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="_x0000_i1033" type="#_x0000_t75"
    3130  style='width:327pt;height:282pt;visibility:visible;mso-wrap-style:square'>
     2951mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_27" o:spid="_x0000_i1033"
     2952 type="#_x0000_t75" style='width:327pt;height:282pt;visibility:visible;
     2953 mso-wrap-style:square'>
    31312954 <v:imagedata src="fullrmc-SF6.fld/image036.png" o:title=""/>
    31322955</v:shape><![endif]--><![if !vml]><img border=0 width=327 height=282
    3133 src="fullrmc-SF6.fld/image036.png" v:shapes="_x0000_i1033"><![endif]></span><span
     2956src="fullrmc-SF6.fld/image036.png" v:shapes="Picture_x0020_27"><![endif]></span><span
    31342957style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    31352958mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     
    31442967<p class=MsoNormal style='margin-left:.25in'>In this window we select all seven
    31452968atoms will be in the group. Note that now a group is now listed with seven
    3146 atoms on the fullrmc page (shown below). Also note that the default “Group refinement
    3147 mode” will both rotate and translate the group. </p>
     2969atoms on the fullrmc page (shown below). Also note that the default “Group
     2970refinement mode” will both rotate and translate the group. </p>
    31482971
    31492972<p class=MsoNormal><o:p>&nbsp;</o:p></p>
    31502973
    3151 <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l5 level1 lfo9'><![if !supportLists]><span
     2974<p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l3 level1 lfo8'><![if !supportLists]><span
    31522975style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
    31532976Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    3154 </span></span></span><![endif]><span dir=LTR></span>We previously used bond-constraints
    3155 to limit the distortion of the SF<sub>6</sub> molecules, but since they are now
    3156 rigid units, these constraints are no longer needed. Thus, we can uncheck the “Use
    3157 bond constraints” box to remove them. Note that leaving the default values of
    3158 zeros for all distances also causes bond-constraints to be ignored, but the
    3159 prior choice also simplifies the input screen.</p>
    3160 
    3161 <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l5 level1 lfo9'><![if !supportLists]><span
     2977</span></span></span><![endif]><span dir=LTR></span>We previously used
     2978bond-constraints to limit the distortion of the SF<sub>6</sub> molecules, but
     2979since they are now rigid units, these constraints are no longer needed. Thus,
     2980we can uncheck the “Use bond constraints” box to remove them. Note that leaving
     2981the default values of zeros for all distances also causes bond-constraints to
     2982be ignored, but the prior choice also simplifies the input screen.</p>
     2983
     2984<p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l3 level1 lfo8'><![if !supportLists]><span
    31622985style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
    31632986Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    3164 </span></span></span><![endif]><span dir=LTR></span>We also need to set the
    3165 vibrational amplitudes for the S and F atoms, by checking the “Add thermal broadening”
    3166 box. Values to use here are not obvious and might need to be tweaked later, but
    3167 one would expect more motion from the lighter F atom than the heavier S atom. I
     2987</span></span></span><![endif]><span dir=LTR></span>We also need to set the vibrational
     2988amplitudes for the S and F atoms, by checking the “Add thermal broadening” box.
     2989Values to use here are not obvious and might need to be tweaked later, but one
     2990would expect more motion from the lighter F atom than the heavier S atom. I
    31682991used as input values on the order of what I might expect for <span
    31692992class=SpellE>U<sub>iso</sub></span> for S and F, 0.02 Å<sup>2</sup> and 0.03 Å<sup>2</sup>,
     
    31742997
    31752998<h3><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_29"
    3176  o:spid="_x0000_i1032" type="#_x0000_t75" style='width:656pt;height:541pt;
     2999 o:spid="_x0000_i1032" type="#_x0000_t75" style='width:655pt;height:541pt;
    31773000 visibility:visible;mso-wrap-style:square'>
    31783001 <v:imagedata src="fullrmc-SF6.fld/image030.png" o:title=""/>
    3179 </v:shape><![endif]--><![if !vml]><img border=0 width=656 height=541
     3002</v:shape><![endif]--><![if !vml]><img border=0 width=655 height=541
    31803003src="fullrmc-SF6.fld/image030.png" v:shapes="Picture_x0020_29"><![endif]></span></h3>
    31813004
     
    31923015<p class=MsoSubtitle><span style='font-size:16.0pt'>Step 4.2. Perform fit <o:p></o:p></span></p>
    31933016
    3194 <p class=MsoNormal>As was done in Step 2.3, we launch the fullrmc fit by using the
    3195 <span class=GramE>Operations</span> =&gt; “Setup RMC” menu command to create a <span
    3196 style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>script
    3197 of fullrmc commands</span> named <span style='mso-fareast-font-family:Calibri;
    3198 mso-fareast-theme-font:minor-latin'>SF6fit-SF6-I1-fullrmc.py.<o:p></o:p></span></p>
     3017<p class=MsoNormal>As was done in Step 2.3, we launch the fullrmc fit by using
     3018the <span class=GramE>Operations</span> =&gt; “Setup RMC” menu command to
     3019create a <span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:
     3020minor-latin'>script of fullrmc commands</span> named <span style='mso-fareast-font-family:
     3021Calibri;mso-fareast-theme-font:minor-latin'>SF6fit-SF6-I1-fullrmc.py.<o:p></o:p></span></p>
    31993022
    32003023<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    32233046mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    32243047
    3225 <p class=MsoSubtitle><span style='font-size:16.0pt'>Step 4.3. Analysis of results<o:p></o:p></span></p>
     3048<p class=MsoSubtitle><span style='font-size:16.0pt'>Step 4.3. Analysis of
     3049results<o:p></o:p></span></p>
    32263050
    32273051<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    32313055class=GramE>Operations</span> =&gt; Plot as well as the Operations =&gt; “Load
    32323056Supercell” menu commands. The PDF and F(Q) are not as well fit as before, but
    3233 this is expected as the number of degrees of freedom has been reduced by a factor
    3234 of &gt;3. (Previously there were 3*1750 degrees of freedom, but here only 6*250
    3235 are used, because free atoms have three <span class=GramE>coordinates</span>
     3057this is expected as the number of degrees of freedom has been reduced by a
     3058factor of &gt;3. (Previously there were 3*1750 degrees of freedom, but here
     3059only 6*250 are used, because free atoms have three <span class=GramE>coordinates</span>
    32363060but rigid groups have three coordinates and three orientation parameters). The
    32373061fit to G(r) is also showing that the crystallographic fit slightly
     
    32583082"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    32593083mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3260 mso-bidi-theme-font:major-bidi'>To obtain plots from fullrmc that can be zoomed,
    3261 use these commands inside the fullrmc console window: <o:p></o:p></span></p>
     3084mso-bidi-theme-font:major-bidi'>To obtain plots from fullrmc that can be
     3085zoomed, use these commands inside the fullrmc console window: <o:p></o:p></span></p>
    32623086
    32633087<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    32913115"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    32923116mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3293 mso-bidi-theme-font:major-bidi'>This shortening is expected, as when thermal ellipsoids
    3294 are used to fit a hollow bowl-shaped distribution of atomic positions, the
    3295 ellipsoid center is placed inside the “bowl”. This peak displacement could be
    3296 corrected by repeating this process by editing the F atom <i>x</i> position [from
    3297 0.251 to 0.266 (= </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    3298 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
    3299 mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
    3300 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     3117mso-bidi-theme-font:major-bidi'>This shortening is expected, as when thermal
     3118ellipsoids are used to fit a hollow bowl-shaped distribution of atomic
     3119positions, the ellipsoid center is placed inside the “bowl”. This peak
     3120displacement could be corrected by repeating this process by editing the F atom
     3121<i>x</i> position [from 0.251 to 0.266 (= </span><span style='mso-bidi-font-size:
     312216.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     3123mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-font-family:
     3124"Times New Roman";mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    33013125mso-bidi-theme-font:major-bidi;color:black'>0.251 * 1.56/1.47</span><span
    33023126style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    33033127mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    33043128mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3305 mso-bidi-theme-font:major-bidi'>)] in the <i>Im</i>3<i>m</i> setting and then by
    3306 repeating the commands in steps 3 and 4 above. We will skip this here to save
    3307 time. <o:p></o:p></span></p>
     3129mso-bidi-theme-font:major-bidi'>)] in the <i>Im</i>3<i>m</i> setting and then
     3130by repeating the commands in steps 3 and 4 above. We will skip this here to
     3131save time. <o:p></o:p></span></p>
    33083132
    33093133<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    33533177distorted. This becomes clear by expanding the scale to look at individual
    33543178molecules. Optionally, changing the Draw Atoms representation from “<span
    3355 class=SpellE>vdW</span> balls” to “balls and sticks” (double-click on the “Style”
    3356 column label) also helps make this clear. <o:p></o:p></span></p>
     3179class=SpellE>vdW</span> balls” to “balls and sticks” (double-click on the
     3180“Style” column label) also helps make this clear. <o:p></o:p></span></p>
    33573181
    33583182<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    33913215mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    33923216mso-bidi-theme-font:major-bidi'>We can compare a model where the molecule
    3393 center is allowed to move, but unlike before, the molecular axes will not be allowed
    3394 to move from their alignment with the <i>a</i>, <i>b</i> &amp; <i>c</i> axes by
    3395 changing the “Group refinement mode” from “Rotate &amp; Translate” to “Translate
    3396 only”, as shown below:<o:p></o:p></span></p>
     3217center is allowed to move, but unlike before, the molecular axes will not be
     3218allowed to move from their alignment with the <i>a</i>, <i>b</i> &amp; <i>c</i>
     3219axes by changing the “Group refinement mode” from “Rotate &amp; Translate” to
     3220“Translate only”, as shown below:<o:p></o:p></span></p>
    33973221
    33983222<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    34183242"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    34193243mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3420 mso-bidi-theme-font:major-bidi'>So that we do not overwrite the previous fit, save
    3421 the project with a new name. Here I use “SF6fitT.gpx”. After running the simulation
    3422 using the <span class=GramE>Operations</span> =&gt; “Setup RMC” and then </span><span
    3423 style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
     3244mso-bidi-theme-font:major-bidi'>So that we do not overwrite the previous fit,
     3245save the project with a new name. Here I use “SF6fitT.gpx”. After running the
     3246simulation using the <span class=GramE>Operations</span> =&gt; “Setup RMC” and
     3247then </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    34243248mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;mso-fareast-theme-font:
    34253249minor-latin;mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
     
    34423266"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    34433267mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3444 mso-bidi-theme-font:major-bidi'>Viewing the atoms, and looking closely at different
    3445 molecules, it becomes clear that the S-F bonds remain aligned with the cell
    3446 axes, but the molecules are displaced from alignment in columns. <o:p></o:p></span></p>
     3268mso-bidi-theme-font:major-bidi'>Viewing the atoms, and looking closely at
     3269different molecules, it becomes clear that the S-F bonds remain aligned with
     3270the cell axes, but the molecules are displaced from alignment in columns. <o:p></o:p></span></p>
    34473271
    34483272<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    34663290mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    34673291
    3468 <h2>6. Perform a Constrained PDF Fit for SF6 with Rotations only<o:p></o:p></h2>
     3292<h2>6. Perform a Constrained PDF Fit for SF6 with Rotations only</h2>
    34693293
    34703294<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    34773301mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    34783302mso-bidi-theme-font:major-bidi'>We can compare a model where the molecule
    3479 center is not allowed to move, but unlike before, the molecular axes will be allowed
    3480 to move from their alignment with the <i>a</i>, <i>b</i> &amp; <i>c</i> axes by
    3481 changing the “Group refinement mode” from “Translate only” to “Rotate only”, as
    3482 shown below:<o:p></o:p></span></p>
     3303center is not allowed to move, but unlike before, the molecular axes will be
     3304allowed to move from their alignment with the <i>a</i>, <i>b</i> &amp; <i>c</i>
     3305axes by changing the “Group refinement mode” from “Translate only” to “Rotate
     3306only”, as shown below:<o:p></o:p></span></p>
    34833307
    34843308<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     
    35073331mso-bidi-theme-font:major-bidi'>Again, so that we do not overwrite the previous
    35083332fit, save the project with a new name. Here I use “SF6fitR.gpx”. After running
    3509 the simulation using the <span class=GramE>Operations</span> =&gt; “Setup RMC” and
    3510 then </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    3511 mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;mso-fareast-theme-font:
    3512 minor-latin;mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
    3513 mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>the </span><span
    3514 style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:"Times New Roman";
    3515 mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    3516 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3517 mso-bidi-theme-font:major-bidi'>Operations =&gt; Execute menu commands to start
    3518 fullrmc and use of Operations =&gt; Plot after completion of the fullrmc run,
    3519 the results show the F(Q) Std. Err value is 12.06 and the R(r) Std. Err value
    3520 is 28.06, significantly worse that both of the previous results. Thus, we can
    3521 conclude that rotation of the molecules is less important for a fit to the
    3522 experimental data than the translation of the molecules.<o:p></o:p></span></p>
    3523 
    3524 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    3525 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    3526 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3527 mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
    3528 
    3529 <p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
    3530 "Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
    3531 mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
    3532 mso-bidi-theme-font:major-bidi'>By viewing a column of molecules in this fit, it
    3533 is seen that the yellow S atoms have remained aligned in columns, but the
     3333the simulation using the <span class=GramE>Operations</span> =&gt; “Setup RMC”
     3334and then </span><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     3335"Times New Roman";mso-ascii-theme-font:major-bidi;mso-fareast-font-family:Calibri;
     3336mso-fareast-theme-font:minor-latin;mso-hansi-font-family:"Times New Roman";
     3337mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     3338mso-bidi-theme-font:major-bidi'>the </span><span style='mso-bidi-font-size:
     333916.0pt;mso-ascii-font-family:"Times New Roman";mso-ascii-theme-font:major-bidi;
     3340mso-hansi-font-family:"Times New Roman";mso-hansi-theme-font:major-bidi;
     3341mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:major-bidi'>Operations
     3342=&gt; Execute menu commands to start fullrmc and use of Operations =&gt; Plot
     3343after completion of the fullrmc run, the results show the F(Q) Std. Err value
     3344is 12.06 and the R(r) Std. Err value is 28.06, significantly worse that both of
     3345the previous results. Thus, we can conclude that rotation of the molecules is
     3346less important for a fit to the experimental data than the translation of the
     3347molecules.<o:p></o:p></span></p>
     3348
     3349<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     3350"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     3351mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     3352mso-bidi-theme-font:major-bidi'><o:p>&nbsp;</o:p></span></p>
     3353
     3354<p class=MsoNormal><span style='mso-bidi-font-size:16.0pt;mso-ascii-font-family:
     3355"Times New Roman";mso-ascii-theme-font:major-bidi;mso-hansi-font-family:"Times New Roman";
     3356mso-hansi-theme-font:major-bidi;mso-bidi-font-family:"Times New Roman";
     3357mso-bidi-theme-font:major-bidi'>By viewing a column of molecules in this fit,
     3358it is seen that the yellow S atoms have remained aligned in columns, but the
    35343359molecules have been rotated around those positions. <o:p></o:p></span></p>
    35353360
  • trunk/GSASIIphsGUI.py

    r5320 r5328  
    52365236            mainSizer = wx.BoxSizer(wx.VERTICAL)
    52375237            mainSizer.Add(wx.StaticText(G2frame.FRMC,label=
    5238 ''' "Fullrmc, a Rigid Body Reverse Monte Carlo Modeling Package Enabled with
    5239 Machine Learning and Artificial Intelligence", B. Aoun, Jour. Comp. Chem.
    5240 (2016), 37, 1102-1111. doi: https://doi.org/10.1002/jcc.24304; www.fullrmc.com
     5238'''* "Atomic Stochastic Modeling & Optimization with fullrmc", B. Aoun, J. Appl. Cryst. 2022, (in press);
     5239* "Fullrmc, a Rigid Body Reverse Monte Carlo Modeling Package Enabled with Machine Learning and Artificial
     5240   Intelligence", B. Aoun, Jour. Comp. Chem. (2016), 37, 1102-1111. doi: https://doi.org/10.1002/jcc.24304;
     5241* www.fullrmc.com
    52415242 '''))
    52425243            # if G2pwd.findfullrmc() is None:
     
    67266727        G2G.G2MessageBox(G2frame,
    67276728'''For use of fullrmc, please cite:
     6729
     6730      "Atomic Stochastic Modeling & Optimization
     6731      with fullrmc", B. Aoun, J. Appl. Cryst. 2022,
     6732      (in press).
     6733
    67286734      "Fullrmc, a Rigid Body Reverse Monte Carlo
    67296735      Modeling Package Enabled with Machine Learning
Note: See TracChangeset for help on using the changeset viewer.