Changeset 2390 for Tutorials/MCsimanneal
- Timestamp:
- Jul 28, 2016 2:18:10 PM (7 years ago)
- Location:
- Tutorials/MCsimanneal
- Files:
-
- 12 edited
Legend:
- Unmodified
- Added
- Removed
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Tutorials/MCsimanneal/MCSA in GSAS.htm
r1745 r2390 23 23 <o:Author>vondreele</o:Author> 24 24 <o:LastAuthor>Von Dreele</o:LastAuthor> 25 <o:Revision> 3</o:Revision>26 <o:TotalTime>76 7</o:TotalTime>25 <o:Revision>4</o:Revision> 26 <o:TotalTime>768</o:TotalTime> 27 27 <o:Created>2015-03-16T21:14:00Z</o:Created> 28 <o:LastSaved>201 5-03-19T20:13:00Z</o:LastSaved>28 <o:LastSaved>2016-07-28T18:42:00Z</o:LastSaved> 29 29 <o:Pages>1</o:Pages> 30 <o:Words>243 2</o:Words>31 <o:Characters>1386 5</o:Characters>30 <o:Words>2431</o:Words> 31 <o:Characters>13861</o:Characters> 32 32 <o:Company>Argonne National Laboratory</o:Company> 33 33 <o:Lines>115</o:Lines> 34 34 <o:Paragraphs>32</o:Paragraphs> 35 <o:CharactersWithSpaces>1626 5</o:CharactersWithSpaces>36 <o:Version>1 5.00</o:Version>35 <o:CharactersWithSpaces>16260</o:CharactersWithSpaces> 36 <o:Version>16.00</o:Version> 37 37 </o:DocumentProperties> 38 38 </xml><![endif]--> … … 44 44 <!--[if gte mso 9]><xml> 45 45 <w:WordDocument> 46 <w:Zoom>116</w:Zoom>47 46 <w:SpellingState>Clean</w:SpellingState> 48 47 <w:GrammarState>Clean</w:GrammarState> … … 645 644 /* Font Definitions */ 646 645 @font-face 647 {font-family:"Cambria Math";648 panose-1:2 4 5 3 5 4 6 3 2 4;649 mso-font-charset:0;650 mso-generic-font-family:roman;651 mso-font-pitch:variable;652 mso-font-signature:-536870145 1107305727 0 0 415 0;}653 @font-face654 646 {font-family:Calibri; 655 647 panose-1:2 15 5 2 2 2 4 3 2 4; … … 960 952 mso-hansi-font-family:"Courier New"; 961 953 mso-bidi-font-family:"Courier New";} 954 p.msonormal0, li.msonormal0, div.msonormal0 955 {mso-style-name:msonormal; 956 mso-style-noshow:yes; 957 mso-style-priority:99; 958 mso-style-unhide:no; 959 mso-margin-top-alt:auto; 960 margin-right:0in; 961 mso-margin-bottom-alt:auto; 962 margin-left:0in; 963 mso-pagination:widow-orphan; 964 font-size:12.0pt; 965 font-family:"Times New Roman",serif; 966 mso-fareast-font-family:"Times New Roman"; 967 mso-fareast-theme-font:minor-fareast;} 962 968 span.TitleChar 963 969 {mso-style-name:"Title Char"; … … 1112 1118 mso-ansi-font-size:10.0pt; 1113 1119 mso-bidi-font-size:10.0pt; 1120 font-family:"Calibri",sans-serif; 1114 1121 mso-ascii-font-family:Calibri; 1115 1122 mso-hansi-font-family:Calibri; … … 1266 1273 <p class=MsoNormal>In these exercises you will use GSAS-II to solve the 1267 1274 structures of 3-aminoquinoline and α-d-lactose monohydrate from powder 1268 diffraction data via Monte Carlo/Simulated Annealing (MC/SA). The data sets 1269 werekindly provided by Peter Stephens (SUNY <span class=SpellE>StonyBrook</span>)1275 diffraction data via Monte Carlo/Simulated Annealing (MC/SA). The data sets were 1276 kindly provided by Peter Stephens (SUNY <span class=SpellE>StonyBrook</span>) 1270 1277 and were originally collected on NSLS beam line X3b1. The MC/SA technique is 1271 1278 needed in these cases because as you will see the data does not extend very far … … 1289 1296 Calibri;mso-bidi-theme-font:minor-latin'>Import/Powder Data/from GSAS powder 1290 1297 data file</span></b> menu item to read the data file into the current GSAS-II 1291 project. Change the file directory to <b style='mso-bidi-font-weight:normal'><span 1292 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1293 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1294 minor-latin'>exercises/<span class=SpellE>MCsimanneal</span></span></b><span 1298 project. Change the file directory to <span class=SpellE><b style='mso-bidi-font-weight: 1299 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1300 minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri; 1301 mso-bidi-theme-font:minor-latin'>MCsimanneal</span></b></span><b 1302 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1303 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1304 Calibri;mso-bidi-theme-font:minor-latin'>/data</span></b><span 1295 1305 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1296 1306 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1297 1307 minor-latin'> to find the file; you may need to change the file type to <b 1298 style='mso-bidi-font-weight:normal'>All files ( *.*)</b> to find the desired1299 file.</span></p>1308 style='mso-bidi-font-weight:normal'>All files (<span class=GramE>*.*</span>)</b> 1309 to find the desired file.</span></p> 1300 1310 1301 1311 <p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span … … 1311 1321 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1312 1322 Calibri;mso-bidi-theme-font:minor-latin'>Open</span></b>. There will be a 1313 Dialog box asking < span class=GramE><b style='mso-bidi-font-weight:normal'><span1323 Dialog box asking <b style='mso-bidi-font-weight:normal'><span 1314 1324 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1315 1325 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1316 minor-latin'>Is</span></b></span><b style='mso-bidi-font-weight:normal'><span 1317 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1318 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1319 minor-latin'> this the file you want?</span></b> Press <span class=GramE><b 1320 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1321 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1322 Calibri;mso-bidi-theme-font:minor-latin'>Yes</span></b></span> button to 1323 proceed.</p> 1326 minor-latin'>Is this the file you want?</span></b> Press <b style='mso-bidi-font-weight: 1327 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1328 minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri; 1329 mso-bidi-theme-font:minor-latin'>Yes</span></b> button to proceed.</p> 1324 1330 1325 1331 <p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span … … 1362 1368 <v:imagedata src="MCSA%20in%20GSAS_files/image001.png" o:title=""/> 1363 1369 </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 1364 src="MCSA%20in%20GSAS_files/image0 02.gif" v:shapes="Picture_x0020_28"><![endif]></span></p>1370 src="MCSA%20in%20GSAS_files/image055.gif" v:shapes="Picture_x0020_28"><![endif]></span></p> 1365 1371 1366 1372 <p class=MsoListParagraph><o:p> </o:p></p> … … 1421 1427 mso-hansi-theme-font:minor-latin'>Orthorhombic-P</span></b>). The correct unit 1422 1428 cell should almost immediately appear with an M20 ~200 with a=7.748, b=7.651, 1423 c=12.736, Vol=755.01. NB: your solution may have <span class=GramE>a &</span> 1424 b switched. Do <b style='mso-bidi-font-weight:normal'><span style='font-family: 1425 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1426 minor-latin'>Cell Index/Refine/Copy Cell</span></b>; you can then try various 1427 space groups. Press the <b style='mso-bidi-font-weight:normal'><span 1428 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1429 mso-hansi-theme-font:minor-latin'>Show HKL positions</span></b> to see the 1430 lines with extinctions (Hint: its <b style='mso-bidi-font-weight:normal'><span 1431 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1432 mso-hansi-theme-font:minor-latin'>P 2<sub>1</sub> 2<sub>1</sub> 2<sub>1</sub></span></b>). 1433 You can then do <b style='mso-bidi-font-weight:normal'><span style='font-family: 1434 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1435 minor-latin'>Cell Index/Refine/Refine Cell</span></b> to improve the lattice 1436 parameters with M20 ~380. Finally do <b style='mso-bidi-font-weight:normal'><span 1437 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1438 mso-hansi-theme-font:minor-latin'>Cell Index/Refine/Make new phase</span></b> 1439 to create the phase; I named it <b style='mso-bidi-font-weight:normal'><span 1440 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1441 mso-hansi-theme-font:minor-latin'>3-aminoquinoline</span></b>.</p> 1429 c=12.736, Vol=755.01. NB: your solution may have a & b switched. Do <b 1430 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1431 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Cell 1432 Index/Refine/Copy Cell</span></b>; you can then try various space groups. Press 1433 the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1434 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Show HKL 1435 positions</span></b> to see the lines with extinctions (Hint: its <b 1436 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1437 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>P 2<sub>1</sub> 1438 2<sub>1</sub> 2<sub>1</sub></span></b>). You can then do <b style='mso-bidi-font-weight: 1439 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1440 minor-latin;mso-hansi-theme-font:minor-latin'>Cell Index/Refine/Refine Cell</span></b> 1441 to improve the lattice parameters with M20 ~380. Finally do <b 1442 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1443 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Cell 1444 Index/Refine/Make new phase</span></b> to create the phase; I named it <b 1445 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1446 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>3-aminoquinoline</span></b>.</p> 1442 1447 1443 1448 <h2>Step 4. Setup for Pawley refinement</h2> … … 1509 1514 1510 1515 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1511 id=" _x0000_i1050" type="#_x0000_t75" style='width:487.5pt;height:375pt;1512 visibility:visible;mso-wrap-style:square'>1516 id="Picture_x0020_2" o:spid="_x0000_i1050" type="#_x0000_t75" style='width:487.5pt; 1517 height:375pt;visibility:visible;mso-wrap-style:square'> 1513 1518 <v:imagedata src="MCSA%20in%20GSAS_files/image003.png" o:title=""/> 1514 1519 </v:shape><![endif]--><![if !vml]><img border=0 width=650 height=500 1515 src="MCSA%20in%20GSAS_files/image0 04.gif" v:shapes="_x0000_i1050"><![endif]></span></p>1520 src="MCSA%20in%20GSAS_files/image056.gif" v:shapes="Picture_x0020_2"><![endif]></span></p> 1516 1521 1517 1522 <p class=MsoNormal><o:p> </o:p></p> … … 1530 1535 <v:imagedata src="MCSA%20in%20GSAS_files/image005.png" o:title=""/> 1531 1536 </v:shape><![endif]--><![if !vml]><img border=0 width=346 height=336 1532 src="MCSA%20in%20GSAS_files/image0 06.gif" v:shapes="Picture_x0020_3"><![endif]></span></p>1537 src="MCSA%20in%20GSAS_files/image057.gif" v:shapes="Picture_x0020_3"><![endif]></span></p> 1533 1538 1534 1539 <p class=MsoNormal><o:p> </o:p></p> … … 1542 1547 <v:imagedata src="MCSA%20in%20GSAS_files/image007.png" o:title=""/> 1543 1548 </v:shape><![endif]--><![if !vml]><img border=0 width=479 height=500 1544 src="MCSA%20in%20GSAS_files/image0 08.gif" v:shapes="Picture_x0020_30"><![endif]></span></p>1549 src="MCSA%20in%20GSAS_files/image058.gif" v:shapes="Picture_x0020_30"><![endif]></span></p> 1545 1550 1546 1551 <p class=MsoNormal><o:p> </o:p></p> … … 1573 1578 <v:imagedata src="MCSA%20in%20GSAS_files/image009.png" o:title=""/> 1574 1579 </v:shape><![endif]--><![if !vml]><img border=0 width=450 height=300 1575 src="MCSA%20in%20GSAS_files/image0 10.gif" v:shapes="Picture_x0020_5"><![endif]></span></p>1580 src="MCSA%20in%20GSAS_files/image059.gif" v:shapes="Picture_x0020_5"><![endif]></span></p> 1576 1581 1577 1582 <p class=MsoNormal><o:p> </o:p></p> 1578 1583 1579 <p class=MsoNormal>This completes the Pawley refinement setup; be careful that 1580 youdidnt skip a step as it might not work correctly if you did.</p>1584 <p class=MsoNormal>This completes the Pawley refinement setup; be careful that you 1585 didnt skip a step as it might not work correctly if you did.</p> 1581 1586 1582 1587 <h2>Step 5. Pawley refinement</h2> … … 1598 1603 1599 1604 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1600 id=" _x0000_i1046" type="#_x0000_t75" style='width:525pt;height:450pt;1601 visibility:visible;mso-wrap-style:square'>1605 id="Picture_x0020_6" o:spid="_x0000_i1046" type="#_x0000_t75" style='width:525pt; 1606 height:450pt;visibility:visible;mso-wrap-style:square'> 1602 1607 <v:imagedata src="MCSA%20in%20GSAS_files/image011.png" o:title=""/> 1603 1608 </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 1604 src="MCSA%20in%20GSAS_files/image0 12.gif" v:shapes="_x0000_i1046"><![endif]></span></p>1609 src="MCSA%20in%20GSAS_files/image060.gif" v:shapes="Picture_x0020_6"><![endif]></span></p> 1605 1610 1606 1611 <p class=MsoNormal><o:p> </o:p></p> … … 1635 1640 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1636 1641 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>No. <span 1637 class=SpellE>coeff</span>.</span></b> <span class=GramE>to</span> <b 1638 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1639 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>5</span></b>; 1640 the window shows</p> 1642 class=SpellE>coeff</span>.</span></b> to <b style='mso-bidi-font-weight:normal'><span 1643 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1644 mso-hansi-theme-font:minor-latin'>5</span></b>; the window shows</p> 1641 1645 1642 1646 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 1645 1649 <v:imagedata src="MCSA%20in%20GSAS_files/image013.png" o:title=""/> 1646 1650 </v:shape><![endif]--><![if !vml]><img border=0 width=536 height=263 1647 src="MCSA%20in%20GSAS_files/image0 14.gif" v:shapes="Picture_x0020_33"><![endif]></span></p>1651 src="MCSA%20in%20GSAS_files/image061.gif" v:shapes="Picture_x0020_33"><![endif]></span></p> 1648 1652 1649 1653 <p class=MsoNormal><o:p> </o:p></p> … … 1667 1671 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1668 1672 minor-latin;mso-hansi-theme-font:minor-latin'>Y</span></b> for refinement; then 1669 do <span class=GramE><b style='mso-bidi-font-weight:normal'><span 1670 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1671 mso-hansi-theme-font:minor-latin'>Calculate</span></b></span><b 1672 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1673 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> /Refine</span></b> 1674 again. I got Rwp~7.5% at convergence and the fit looked like</p> 1673 do <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1674 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Calculate 1675 /Refine</span></b> again. I got Rwp~7.5% at convergence and the fit looked like</p> 1675 1676 1676 1677 <p class=MsoNormal><span style='mso-no-proof:yes'>c<!--[if gte vml 1]><v:shape 1677 id=" _x0000_i1044" type="#_x0000_t75" style='width:525pt;height:450pt;1678 visibility:visible;mso-wrap-style:square'>1678 id="Picture_x0020_8" o:spid="_x0000_i1044" type="#_x0000_t75" style='width:525pt; 1679 height:450pt;visibility:visible;mso-wrap-style:square'> 1679 1680 <v:imagedata src="MCSA%20in%20GSAS_files/image015.png" o:title=""/> 1680 1681 </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 1681 src="MCSA%20in%20GSAS_files/image0 16.gif" v:shapes="_x0000_i1044"><![endif]></span></p>1682 src="MCSA%20in%20GSAS_files/image062.gif" v:shapes="Picture_x0020_8"><![endif]></span></p> 1682 1683 1683 1684 <p class=MsoNormal><o:p> </o:p></p> … … 1697 1698 cropbottom="17428f" cropleft="9893f" cropright="13874f"/> 1698 1699 </v:shape><![endif]--><![if !vml]><img border=0 width=190 height=125 1699 src="MCSA%20in%20GSAS_files/image0 18.jpg" v:shapes="Picture_x0020_34"><![endif]></span></p>1700 src="MCSA%20in%20GSAS_files/image063.jpg" v:shapes="Picture_x0020_34"><![endif]></span></p> 1700 1701 1701 1702 <p class=MsoNormal>MC/SA structure solution consists of optimizing the position … … 1722 1723 minor-latin'>aminoquinoline.xyz</span></b></span>. The <b style='mso-bidi-font-weight: 1723 1724 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1724 minor-latin;mso-hansi-theme-font:minor-latin'>Rigid <span class=GramE>bodies</span></span></b>1725 wi ndow will show</p>1725 minor-latin;mso-hansi-theme-font:minor-latin'>Rigid bodies</span></b> window 1726 will show</p> 1726 1727 1727 1728 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 1730 1731 <v:imagedata src="MCSA%20in%20GSAS_files/image019.png" o:title=""/> 1731 1732 </v:shape><![endif]--><![if !vml]><img border=0 width=400 height=427 1732 src="MCSA%20in%20GSAS_files/image0 20.gif" v:shapes="Picture_x0020_35"><![endif]></span></p>1733 src="MCSA%20in%20GSAS_files/image064.gif" v:shapes="Picture_x0020_35"><![endif]></span></p> 1733 1734 1734 1735 <p class=MsoNormal><o:p> </o:p></p> … … 1736 1737 <p class=MsoNormal>If you select the <b style='mso-bidi-font-weight:normal'><span 1737 1738 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1738 mso-hansi-theme-font:minor-latin'>Plot?</span></b> <span class=GramE>box</span> 1739 a drawing will appear</p> 1740 1741 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1742 id="_x0000_i1041" type="#_x0000_t75" style='width:286.5pt;height:234pt; 1743 visibility:visible;mso-wrap-style:square'> 1739 mso-hansi-theme-font:minor-latin'>Plot?</span></b> box a drawing will appear</p> 1740 1741 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1742 id="Picture_x0020_11" o:spid="_x0000_i1041" type="#_x0000_t75" style='width:286.5pt; 1743 height:234pt;visibility:visible;mso-wrap-style:square'> 1744 1744 <v:imagedata src="MCSA%20in%20GSAS_files/image021.png" o:title="" croptop="13685f" 1745 1745 cropbottom="15961f" cropleft="36898f" cropright="13504f"/> 1746 1746 </v:shape><![endif]--><![if !vml]><img border=0 width=382 height=312 1747 src="MCSA%20in%20GSAS_files/image0 22.jpg" v:shapes="_x0000_i1041"><![endif]></span></p>1747 src="MCSA%20in%20GSAS_files/image065.jpg" v:shapes="Picture_x0020_11"><![endif]></span></p> 1748 1748 1749 1749 <p class=MsoNormal><o:p> </o:p></p> … … 1761 1761 cropbottom="16027f" cropleft="37724f" cropright="12673f"/> 1762 1762 </v:shape><![endif]--><![if !vml]><img border=0 width=384 height=313 1763 src="MCSA%20in%20GSAS_files/image0 24.jpg" v:shapes="Picture_x0020_36"><![endif]></span></p>1763 src="MCSA%20in%20GSAS_files/image066.jpg" v:shapes="Picture_x0020_36"><![endif]></span></p> 1764 1764 1765 1765 <p class=MsoNormal><o:p> </o:p></p> … … 1791 1791 <v:imagedata src="MCSA%20in%20GSAS_files/image025.png" o:title=""/> 1792 1792 </v:shape><![endif]--><![if !vml]><img border=0 width=598 height=335 1793 src="MCSA%20in%20GSAS_files/image0 26.gif" v:shapes="Picture_x0020_37"><![endif]></span></p>1793 src="MCSA%20in%20GSAS_files/image067.gif" v:shapes="Picture_x0020_37"><![endif]></span></p> 1794 1794 1795 1795 <p class=MsoNormal><o:p> </o:p></p> … … 1803 1803 cropbottom="12829f" cropleft="38911f" cropright="11642f"/> 1804 1804 </v:shape><![endif]--><![if !vml]><img border=0 width=384 height=310 1805 src="MCSA%20in%20GSAS_files/image0 28.jpg" v:shapes="Picture_x0020_14"><![endif]></span></p>1805 src="MCSA%20in%20GSAS_files/image068.jpg" v:shapes="Picture_x0020_14"><![endif]></span></p> 1806 1806 1807 1807 <p class=MsoNormal><o:p> </o:p></p> … … 1810 1810 whose centers fall within the unit cell; the reference one is that in the lower 1811 1811 left corner with C1 at the origin. You can enter values in the <span 1812 class=SpellE><span class=GramE><b style='mso-bidi-font-weight:normal'><span 1813 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1814 mso-hansi-theme-font:minor-latin'>x,y</span></b></span><b style='mso-bidi-font-weight: 1815 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1816 minor-latin;mso-hansi-theme-font:minor-latin'>,z</span></b></span> boxes and 1817 see how the structure changes. Similarly, you can enter an angle in <span 1812 1818 class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1813 1819 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1814 minor-latin'>x<span class=GramE>,y,z</span></span></b></span> boxes and see how 1815 the structure changes. Similarly, you can enter an angle in <span class=SpellE><b 1816 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1817 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Oa</span></b></span> 1818 or a vector in the <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 1819 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1820 mso-hansi-theme-font:minor-latin'>Oi<span class=GramE>,Oj,Ok</span></span></b></span><span 1820 minor-latin'>Oa</span></b></span> or a vector in the <span class=SpellE><span 1821 class=GramE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1822 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1823 minor-latin'>Oi,Oj</span></b></span><b style='mso-bidi-font-weight:normal'><span 1824 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1825 mso-hansi-theme-font:minor-latin'>,Ok</span></b></span><span 1821 1826 style='mso-spacerun:yes'> </span>box to see the effects of rotating the 1822 molecule. Each of these parameters has a defined range for the MC/SA 1823 optimization run we are about to do; they define the multidimensional search 1824 volume. Within that volume will be a number of correct solutions to the 1825 structure problem all related by translational and space group symmetry. One 1826 can limit this volume by choosing more limited ranges, but here well just go 1827 with the default. We want to optimize the position and orientation of this 1828 molecule; check the <b style='mso-bidi-font-weight:normal'><span 1829 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1830 mso-hansi-theme-font:minor-latin'>x</span></b>, <b style='mso-bidi-font-weight: 1831 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1832 minor-latin;mso-hansi-theme-font:minor-latin'>y</span></b> & <b 1833 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1827 molecule. Each of these parameters has a defined range for the MC/SA optimization 1828 run we are about to do; they define the multidimensional search volume. Within 1829 that volume will be a number of correct solutions to the structure problem all 1830 related by translational and space group symmetry. One can limit this volume by 1831 choosing more limited ranges, but here well just go with the default. We want 1832 to optimize the position and orientation of this molecule; check the <b 1833 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1834 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>x</span></b>, 1835 <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1836 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>y</span></b> 1837 & <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1834 1838 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>z</span></b> 1835 1839 boxes and select <b style='mso-bidi-font-weight:normal'><span style='font-family: … … 1838 1842 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1839 1843 minor-latin;mso-hansi-theme-font:minor-latin'>Oa</span></b></span>, <span 1840 class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1841 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1842 minor-latin'>Oi<span class=GramE>,Oj,Ok</span></span></b></span><b 1844 class=SpellE><span class=GramE><b style='mso-bidi-font-weight:normal'><span 1845 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1846 mso-hansi-theme-font:minor-latin'>Oi,Oj</span></b></span><b style='mso-bidi-font-weight: 1847 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1848 minor-latin;mso-hansi-theme-font:minor-latin'>,Ok</span></b></span><b 1843 1849 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1844 1850 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> Vary?</span></b> 1845 <span class=GramE>pulldown</span>. The MC/SA window should look like</p>1846 1847 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1848 id=" _x0000_i1037" type="#_x0000_t75" style='width:448.5pt;height:193.5pt;1849 visibility:visible;mso-wrap-style:square'>1851 pulldown. The MC/SA window should look like</p> 1852 1853 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1854 id="Picture_x0020_15" o:spid="_x0000_i1037" type="#_x0000_t75" style='width:448.5pt; 1855 height:193.5pt;visibility:visible;mso-wrap-style:square'> 1850 1856 <v:imagedata src="MCSA%20in%20GSAS_files/image029.png" o:title=""/> 1851 1857 </v:shape><![endif]--><![if !vml]><img border=0 width=598 height=258 1852 src="MCSA%20in%20GSAS_files/image0 30.gif" v:shapes="_x0000_i1037"><![endif]></span><span1858 src="MCSA%20in%20GSAS_files/image069.gif" v:shapes="Picture_x0020_15"><![endif]></span><span 1853 1859 style='mso-spacerun:yes'> </span></p> 1854 1860 … … 1870 1876 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1871 1877 mso-hansi-theme-font:minor-latin'>Pawley reflections</span></b> then the 1872 structure factors will be Pawley model values, <span class=SpellE><span 1873 class=GramE>Fsq</span></span><span class=GramE>(</span><span class=SpellE>hkl</span>) 1874 in Pawley table, and the covariance matrix developed from the refinement will 1875 be used for peak overlap effects in the MC/SA calculations. Alternatively, if 1876 you choose <b style='mso-bidi-font-weight:normal'><span style='font-family: 1877 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1878 minor-latin'>PWDR <span class=SpellE>Quinoli.gda</span> Bank 1 </span></b>then 1879 the structure factors will be those, <span class=SpellE>Fosq</span> in 1880 Reflection table, extracted during the Pawley refinement and the peak FWHMs 1878 structure factors will be Pawley model values, <span class=SpellE>Fsq</span>(<span 1879 class=SpellE>hkl</span>) in Pawley table, and the covariance matrix developed 1880 from the refinement will be used for peak overlap effects in the MC/SA 1881 calculations. Alternatively, if you choose <b style='mso-bidi-font-weight:normal'><span 1882 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1883 mso-hansi-theme-font:minor-latin'>PWDR <span class=SpellE>Quinoli.gda</span> 1884 Bank 1 </span></b>then the structure factors will be those, <span class=SpellE>Fosq</span> 1885 in Reflection table, extracted during the Pawley refinement and the peak FWHMs 1881 1886 will be used for peak overlap effects in the MC/SA calculations. Notice that 1882 the Pawley <span class=SpellE><span class=GramE>Fsq</span></span><span 1883 class=GramE>(</span><span class=SpellE>hkl</span>) values are the same as the <span 1884 class=SpellE>Fcsq</span> Reflection List values. Here I chose <b 1885 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1887 the Pawley <span class=SpellE>Fsq</span>(<span class=SpellE>hkl</span>) values 1888 are the same as the <span class=SpellE>Fcsq</span> Reflection List values. Here 1889 I chose <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1886 1890 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>PWDR <span 1887 1891 class=SpellE>Quinoli.gda</span> Bank 1 </span></b>for the <b style='mso-bidi-font-weight: … … 1917 1921 schedule. I also used <b style='mso-bidi-font-weight:normal'><span 1918 1922 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1919 mso-hansi-theme-font:minor-latin'>4 MC/SA runs</span></b> <span class=GramE>When</span>1920 done the <bstyle='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;1923 mso-hansi-theme-font:minor-latin'>4 MC/SA runs</span></b> When done the <b 1924 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1921 1925 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>General</span></b> 1922 1926 window should look like</p> … … 1927 1931 <v:imagedata src="MCSA%20in%20GSAS_files/image031.png" o:title=""/> 1928 1932 </v:shape><![endif]--><![if !vml]><img border=0 width=672 height=500 1929 src="MCSA%20in%20GSAS_files/image0 32.gif" v:shapes="Picture_x0020_38"><![endif]></span></p>1933 src="MCSA%20in%20GSAS_files/image070.gif" v:shapes="Picture_x0020_38"><![endif]></span></p> 1930 1934 1931 1935 <p class=MsoNormal><o:p> </o:p></p> … … 1949 1953 <v:imagedata src="MCSA%20in%20GSAS_files/image033.png" o:title=""/> 1950 1954 </v:shape><![endif]--><![if !vml]><img border=0 width=752 height=365 1951 src="MCSA%20in%20GSAS_files/image0 34.gif" v:shapes="Picture_x0020_39"><![endif]></span></p>1955 src="MCSA%20in%20GSAS_files/image071.gif" v:shapes="Picture_x0020_39"><![endif]></span></p> 1952 1956 1953 1957 <p class=MsoNormal><o:p> </o:p></p> … … 1962 1966 cropbottom="21002f" cropleft="39996f" cropright="10456f"/> 1963 1967 </v:shape><![endif]--><![if !vml]><img border=0 width=486 height=398 1964 src="MCSA%20in%20GSAS_files/image0 36.jpg" v:shapes="Picture_x0020_1"><![endif]></span></p>1968 src="MCSA%20in%20GSAS_files/image072.jpg" v:shapes="Picture_x0020_1"><![endif]></span></p> 1965 1969 1966 1970 <p class=MsoNormal><o:p> </o:p></p> … … 1968 1972 <p class=MsoNormal>If you are lucky (like I was!) then the result is clearly a 1969 1973 good solution with a very low Residual (~4.8%). This problem typically gives 1970 suitable solutions with Residuals of 4-5%. If your cell indexing resulted in <span1971 class=GramE>a &</span> b swapped, you should view the structure along b 1972 (green). If no good solution appears (e.g. molecules clashing), then you should 1973 just rerun MC/SA perhaps using more runs or more trials. Be sure to set the <b 1974 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1975 m so-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Keep</span></b>1976 box for any solutions you want to retain; the others will be cleared before the 1977 next MC/SArun starts. When you think you have a good one, <span class=GramE><b1974 suitable solutions with Residuals of 4-5%. If your cell indexing resulted in a 1975 & b swapped, you should view the structure along b (green). If no good 1976 solution appears (e.g. molecules clashing), then you should just rerun MC/SA 1977 perhaps using more runs or more trials. Be sure to set the <b style='mso-bidi-font-weight: 1978 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1979 minor-latin;mso-hansi-theme-font:minor-latin'>Keep</span></b> box for any 1980 solutions you want to retain; the others will be cleared before the next MC/SA 1981 run starts. When you think you have a good one, <span class=GramE><b 1978 1982 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1979 1983 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Select</span></b></span> … … 2001 2005 <v:imagedata src="MCSA%20in%20GSAS_files/image037.png" o:title=""/> 2002 2006 </v:shape><![endif]--><![if !vml]><img border=0 width=598 height=365 2003 src="MCSA%20in%20GSAS_files/image0 38.gif" v:shapes="Picture_x0020_40"><![endif]></span></p>2007 src="MCSA%20in%20GSAS_files/image073.gif" v:shapes="Picture_x0020_40"><![endif]></span></p> 2004 2008 2005 2009 <p class=MsoNormal><o:p> </o:p></p> 2006 2010 2007 <p class=MsoNormal>This is clearly a good result (R ~ <span class=GramE>2.6%</span>!) 2008 and the structure</p> 2011 <p class=MsoNormal>This is clearly a good result (R ~ 2.6%!) and the structure</p> 2009 2012 2010 2013 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 2014 2017 cropbottom="16469f" cropleft="37988f" cropright="12498f"/> 2015 2018 </v:shape><![endif]--><![if !vml]><img border=0 width=385 height=331 2016 src="MCSA%20in%20GSAS_files/image0 40.jpg" v:shapes="Picture_x0020_23"><![endif]></span></p>2019 src="MCSA%20in%20GSAS_files/image074.jpg" v:shapes="Picture_x0020_23"><![endif]></span></p> 2017 2020 2018 2021 <p class=MsoNormal><o:p> </o:p></p> 2019 2022 2020 <p class=MsoNormal> <span class=GramE>is</span>identical to the published one</p>2023 <p class=MsoNormal>is identical to the published one</p> 2021 2024 2022 2025 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 2026 2029 cropbottom="21852f" cropleft="3509f" cropright="49103f"/> 2027 2030 </v:shape><![endif]--><![if !vml]><img border=0 width=385 height=301 2028 src="MCSA%20in%20GSAS_files/image0 42.jpg" v:shapes="Picture_x0020_24"><![endif]></span></p>2029 2030 <p class=MsoNormal> <span class=GramE>as</span>drawn by the Mercury program </p>2031 src="MCSA%20in%20GSAS_files/image075.jpg" v:shapes="Picture_x0020_24"><![endif]></span></p> 2032 2033 <p class=MsoNormal>as drawn by the Mercury program </p> 2031 2034 2032 2035 <p class=MsoNormal>(<a … … 2045 2048 cropbottom="15938f" cropleft="37111f" cropright="13377f"/> 2046 2049 </v:shape><![endif]--><![if !vml]><img border=0 width=384 height=325 2047 src="MCSA%20in%20GSAS_files/image0 44.jpg" v:shapes="Picture_x0020_25"><![endif]></span></p>2050 src="MCSA%20in%20GSAS_files/image076.jpg" v:shapes="Picture_x0020_25"><![endif]></span></p> 2048 2051 2049 2052 <p class=MsoNormal>And they will be listed in the Atoms table.</p> … … 2054 2057 <v:imagedata src="MCSA%20in%20GSAS_files/image045.png" o:title=""/> 2055 2058 </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=300 2056 src="MCSA%20in%20GSAS_files/image0 46.gif" v:shapes="Picture_x0020_26"><![endif]></span></p>2059 src="MCSA%20in%20GSAS_files/image077.gif" v:shapes="Picture_x0020_26"><![endif]></span></p> 2057 2060 2058 2061 <p class=MsoNormal>It is now ready for Rietveld refinement; this needs to use … … 2098 2101 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Cryst</span></b></span><b 2099 2102 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2100 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>. <span 2101 class=GramE>size</span></span></b> & <span class=SpellE><b 2102 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2103 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>mustrain</span></b></span> 2104 boxes and do another <b style='mso-bidi-font-weight:normal'><span 2105 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2106 mso-hansi-theme-font:minor-latin'>Calculate/Refine</span></b>; I got an <span 2107 class=SpellE>R<sub>wp</sub></span> ~8.5% for this. Weve not refined atom 2108 positions or thermal parameters; to do this we need to describe the structure 2109 as a rigid body.</p> 2103 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>. size</span></b> 2104 & <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 2105 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2106 mso-hansi-theme-font:minor-latin'>mustrain</span></b></span> boxes and do 2107 another <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2108 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Calculate/Refine</span></b>; 2109 I got an <span class=SpellE>R<sub>wp</sub></span> ~8.5% for this. Weve not 2110 refined atom positions or thermal parameters; to do this we need to describe 2111 the structure as a rigid body.</p> 2110 2112 2111 2113 <h2>Step 9. Rigid body model</h2> … … 2146 2148 <v:imagedata src="MCSA%20in%20GSAS_files/image047.png" o:title=""/> 2147 2149 </v:shape><![endif]--><![if !vml]><img border=0 width=450 height=291 2148 src="MCSA%20in%20GSAS_files/image0 48.gif" v:shapes="Picture_x0020_27"><![endif]></span></p>2150 src="MCSA%20in%20GSAS_files/image078.gif" v:shapes="Picture_x0020_27"><![endif]></span></p> 2149 2151 2150 2152 <p class=MsoNormal><o:p> </o:p></p> … … 2154 2156 corresponding atoms in the structure (C(2), C(3) & C(6)). Do these in 2155 2157 order; the drawing will show the shift of molecular origin and then its 2156 reorientation as the three atoms are selected. Press < span class=GramE><b2157 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2158 m so-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Ready</span></b></span>2159 when done; the structure will be drawn with yellow bonds indicating that it is 2160 now a rigid body and not independent atoms. The <b style='mso-bidi-font-weight: 2161 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 2162 m inor-latin;mso-hansi-theme-font:minor-latin'>RB Models</span></b> window shows2163 the newrigid body</p>2158 reorientation as the three atoms are selected. Press <b style='mso-bidi-font-weight: 2159 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 2160 minor-latin;mso-hansi-theme-font:minor-latin'>Ready</span></b> when done; the 2161 structure will be drawn with yellow bonds indicating that it is now a rigid 2162 body and not independent atoms. The <b style='mso-bidi-font-weight:normal'><span 2163 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2164 mso-hansi-theme-font:minor-latin'>RB Models</span></b> window shows the new 2165 rigid body</p> 2164 2166 2165 2167 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 2168 2170 <v:imagedata src="MCSA%20in%20GSAS_files/image049.png" o:title=""/> 2169 2171 </v:shape><![endif]--><![if !vml]><img border=0 width=633 height=280 2170 src="MCSA%20in%20GSAS_files/image0 50.gif" v:shapes="Picture_x0020_29"><![endif]></span></p>2171 2172 <p class=MsoNormal>To refine the rigid body parameters check the <b2173 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;2172 src="MCSA%20in%20GSAS_files/image079.gif" v:shapes="Picture_x0020_29"><![endif]></span></p> 2173 2174 <p class=MsoNormal>To refine the rigid body <span class=GramE>parameters</span> 2175 check the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2174 2176 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Refine?</span></b> 2175 <span class=GramE>box</span>, select <b style='mso-bidi-font-weight:normal'><span 2176 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2177 mso-hansi-theme-font:minor-latin'>AV</span></b> from the pull down, choose <span 2178 class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family: 2177 box, select <b style='mso-bidi-font-weight:normal'><span style='font-family: 2179 2178 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 2180 minor-latin'>Uiso</span></b></span> from the thermal parameter model and check 2181 its <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2182 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Refine?</span></b> 2183 <span class=GramE>box</span>. Then do <b style='mso-bidi-font-weight:normal'><span 2184 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2185 mso-hansi-theme-font:minor-latin'>Calculate/Refine</span></b>; after a couple 2186 of refinement runs I got an <span class=SpellE>R<sub>wp</sub></span> ~7.9% and 2187 the <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 2179 minor-latin'>AV</span></b> from the pull down, choose <span class=SpellE><b 2180 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2181 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Uiso</span></b></span> 2182 from the thermal parameter model and check its <b style='mso-bidi-font-weight: 2183 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 2184 minor-latin;mso-hansi-theme-font:minor-latin'>Refine?</span></b> box. Then do <b 2185 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 2186 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Calculate/Refine</span></b>; 2187 after a couple of refinement runs I got an <span class=SpellE>R<sub>wp</sub></span> 2188 ~7.9% and the <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 2188 2189 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 2189 2190 mso-hansi-theme-font:minor-latin'>RBModels</span></b></span> window shows the … … 2195 2196 <v:imagedata src="MCSA%20in%20GSAS_files/image051.png" o:title=""/> 2196 2197 </v:shape><![endif]--><![if !vml]><img border=0 width=633 height=301 2197 src="MCSA%20in%20GSAS_files/image0 52.gif" v:shapes="Picture_x0020_32"><![endif]></span></p>2198 2199 <p class=MsoNormal> <span class=GramE>and</span>the profile shows the fit</p>2198 src="MCSA%20in%20GSAS_files/image080.gif" v:shapes="Picture_x0020_32"><![endif]></span></p> 2199 2200 <p class=MsoNormal>and the profile shows the fit</p> 2200 2201 2201 2202 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 2204 2205 <v:imagedata src="MCSA%20in%20GSAS_files/image053.png" o:title=""/> 2205 2206 </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 2206 src="MCSA%20in%20GSAS_files/image0 54.gif" v:shapes="Picture_x0020_31"><![endif]></span></p>2207 src="MCSA%20in%20GSAS_files/image081.gif" v:shapes="Picture_x0020_31"><![endif]></span></p> 2207 2208 2208 2209 <p class=MsoNormal>This completes the structure analysis for 3-aminoquinoline. 2209 2210 Next is a more complex case involving some internal degrees of freedom in the 2210 molecule of a-d- <span class=GramE>lactose.</span></p>2211 molecule of a-d-lactose.</p> 2211 2212 2212 2213 </div> -
Tutorials/MCsimanneal/MCSA in GSAS_files/filelist.xml
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Tutorials/MCsimanneal/MCSA in GSAS_files/item0060.xml
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