Changeset 4891
- Timestamp:
- Apr 24, 2021 9:24:44 AM (3 years ago)
- Location:
- Tutorials/CIFtutorial
- Files:
-
- 5 added
- 2 deleted
- 4 edited
Legend:
- Unmodified
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Tutorials/CIFtutorial/CIFtutorial.fld/filelist.xml
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Tutorials/CIFtutorial/CIFtutorial.html
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1150 mso-level-text:o; 1151 mso-level-tab-stop:none; 1152 mso-level-number-position:left; 1153 text-indent:-.25in; 1154 font-family:"Courier New"; 1155 mso-bidi-font-family:"Times New Roman";} 1156 @list l3:level9 1157 {mso-level-number-format:bullet; 1158 mso-level-text:ï§; 971 mso-level-text:; 1159 972 mso-level-tab-stop:none; 1160 973 mso-level-number-position:left; … … 1180 993 mso-para-margin:0in; 1181 994 mso-pagination:widow-orphan; 1182 font-size:1 2.0pt;995 font-size:10.0pt; 1183 996 font-family:"Calibri",sans-serif; 1184 997 mso-ascii-font-family:Calibri; … … 1186 999 mso-hansi-font-family:Calibri; 1187 1000 mso-hansi-theme-font:minor-latin; 1188 mso-bidi-font-family: Arial;1001 mso-bidi-font-family:"Times New Roman"; 1189 1002 mso-bidi-theme-font:minor-bidi;} 1190 1003 </style> … … 1202 1015 <div class=WordSection1> 1203 1016 1204 <h1 align=center style='text-align:center'><a name="_GoBack"></a>Tutorial: Preparing 1205 a Full CIF<o:p></o:p></h1> 1206 1207 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><BL><![if !supportLists]><span 1208 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1209 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1017 <h1 align=center style='text-align:center'><a name="_GoBack"></a><span 1018 style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Tutorial: 1019 Preparing a Full CIF<o:p></o:p></span></h1> 1020 1021 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><BL><![if !supportLists]><span 1022 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1023 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1210 1024 </span></span></span><![endif]><span dir=LTR></span>Exercise files are found <a 1211 href="./data" target="_blank">here</a>. The data files are taken 1212 from the conclusion of the â<a 1213 href="../CWCombined/Combined%20refinement.htm">Combined X-ray/neutron 1214 refinement â PbSO<sub>4</sub></a>â tutorial. <o:p></o:p></p> 1025 href="data" target="_blank">here</a>. The data files are taken from the 1026 conclusion of the “<a href="../CWCombined/Combined%20refinement.htm">Combined 1027 X-ray/neutron refinement – PbSO<sub>4</sub></a>” tutorial. <o:p></o:p></p> 1215 1028 1216 1029 </BL> 1217 1030 1218 <h1>Background <o:p></o:p></h1> 1031 <h1><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Background 1032 <o:p></o:p></span></h1> 1219 1033 1220 1034 <p class=MsoNormal>Crystallography has had a long tradition where experimental 1221 1035 data as well as results were reported numerically, so that results could be 1222 verified independently as well as utilized. In the past two decades the field has1223 set the standard for data science compared to almost all other areas of1036 verified independently as well as utilized. In the past two decades the field 1037 has set the standard for data science compared to almost all other areas of 1224 1038 physical and biological science through the development of the Crystallographic 1225 1039 Information Framework (CIF) which defines a universal format for the reporting … … 1232 1046 1233 1047 <p class=MsoNormal>Within GSAS-II, a CIF for a phase <span class=GramE>are</span> 1234 available as âquickâcoordinate-only file, which provides atom coordinates and1235 displacement parameters, but no uncertainties or other supporting information from1236 the refinement. This is indeed easy with a single menu command. Likewise, a CIF 1237 containing only a dataset without phase information can be easily created from 1238 the Export menu, but the real power of CIF comes after a project has been completed. 1239 Using the âEntire project asâŠâ a âFull CIFâ menu command in the Export menu, 1240 all results can be reported in a machine and human readable. There are a few 1241 steps in generating a full project CIF. This tutorial goes through them and 1242 explains what is being done and why. </p>1048 available as “quick” coordinate-only file, which provides atom coordinates and 1049 displacement parameters, but no uncertainties or other supporting information 1050 from the refinement. This is indeed easy with a single menu command. Likewise, 1051 a CIF containing only a dataset without phase information can be easily created 1052 from the Export menu, but the real power of CIF comes after a project has been 1053 completed. Using the “Entire project as…” a “Full CIF” menu command in the 1054 Export menu, all results can be reported in a machine and human readable. There 1055 are a few steps in generating a full project CIF. This tutorial goes through 1056 them and explains what is being done and why. </p> 1243 1057 1244 1058 <p class=MsoNormal><o:p> </o:p></p> 1245 1059 1246 1060 <p class=MsoNormal>A bit of background on CIF: The format allows a label (a CIF 1247 data item, such as _cell_length_a or _publ_author_name) to be associated with either a single value or a column 1248 in a table. A collection of data items is placed in a block. For a single-crystal 1249 structure, a block will usually contain the coordinates for a phase and the 1250 structure factors (experimental data and the matching simulated values) as well 1251 as supporting information and derived results. With multiple temperatures, a block 1252 would be needed for each setting because, for example, only one set of unit 1253 cell dimensions and coordinates can be defined in a block. With powder diffraction, 1254 if a single dataset (histogram) is used and only one phase is present, a single 1255 block can be used. If either more than one phase is present, or more than one 1256 histogram is used, multiple blocks are required. GSAS-II will create single-block 1257 CIFs when possible, but otherwise will create a block for the overall 1258 refinement plus a block for each histogram and a block for each phase. Referencing 1259 information between different blocks requires that each block be labeled with a 1260 unique name. These block labels are assembled from a number of fields supplied 1261 by the user and a timestamp when the file is created. </p> 1061 data item, such as _cell_length_a or _publ_author_name) to be associated with 1062 either a single value or a column in a table. A collection of data items is 1063 placed in a block. For a single-crystal structure, a block will usually contain 1064 the coordinates for a phase and the structure factors (experimental data and 1065 the matching simulated values) as well as supporting information and derived 1066 results. With multiple temperatures, a block would be needed for each setting 1067 because, for example, only one set of unit cell dimensions and coordinates can 1068 be defined in a block. With powder diffraction, if a single dataset (histogram) 1069 is used and only one phase is present, a single block can be used. If either 1070 more than one phase is present, or more than one histogram is used, multiple 1071 blocks are required. GSAS-II will create single-block CIFs when possible, but 1072 otherwise will create a block for the overall refinement plus a block for each 1073 histogram and a block for each phase. Referencing information between different 1074 blocks requires that each block be labeled with a unique name. These block 1075 labels are assembled from a number of fields supplied by the user and a 1076 timestamp when the file is created. </p> 1262 1077 1263 1078 <p class=MsoNormal><o:p> </o:p></p> 1264 1079 1265 1080 <p class=MsoNormal>A tremendous amount of information can be placed into a CIF 1266 file. No one is likely to specify all of the field in the IUCr-supplied template, 1267 which itself does not include all data items defined in CIF. Some information can 1268 be supplied by GSAS-II from what is defined inside a project, data such as 1269 symmetry and lattice parameters, but other information, for example synthesis 1270 conditions or sample color, must be supplied by the user. This could be done 1271 with a simple text editor once the file is created, but the problem that arises 1272 from that approach is that it is common that after one has produced the âfinalâ 1273 refinement, another idea occurs for a slightly better fit. The approach used in 1274 GSAS-II is that as the CIF is generated, copies of template files are made that 1275 contain all the user-supplied information. Thus, the CIF can be recreated from 1276 the updated project without having to repeat all the work in supplying that information. 1277 Also, by saving template files that have setting information that will be 1278 common amongst multiple projects (for example, diffraction instrumentation 1279 descriptions) these files can be reused, avoiding repetitive tasks. <span 1280 style='mso-spacerun:yes'> </span></p> 1281 1282 <h1>Prerequisite <o:p></o:p></h1> 1081 file. No one is likely to specify all of the field in the IUCr-supplied 1082 template, which itself does not include all data items defined in CIF. Some 1083 information can be supplied by GSAS-II from what is defined inside a project, 1084 data such as symmetry and lattice parameters, but other information, for 1085 example synthesis conditions or sample color, must be supplied by the user. 1086 This could be done with a simple text editor once the file is created, but the 1087 problem that arises from that approach is that it is common that after one has 1088 produced the “final” refinement, another idea occurs for a slightly better fit. 1089 The approach used in GSAS-II is that as the CIF is generated, copies of 1090 template files are made that contain all the user-supplied information. Thus, 1091 the CIF can be recreated from the updated project without having to repeat all 1092 the work in supplying that information. Also, by saving template files that 1093 have setting information that will be common amongst multiple projects (for 1094 example, diffraction instrumentation descriptions) these files can be reused, 1095 avoiding repetitive tasks.<span style='mso-spacerun:yes'> </span></p> 1096 1097 <h1><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Prerequisite 1098 <o:p></o:p></span></h1> 1283 1099 1284 1100 <p class=MsoNormal>Before beginning this tutorial, either complete the 1285 refinement in the â<a href="../../../CWCombined/Combined%20refinement.htm">Combined1286 X-ray/neutron refinement â PbSO<sub>4</sub></a>â tutorial or download the GSAS-II1287 project file provided <a href="../../../Scratch/data" target="_blank">here</a>,1101 refinement in the “<a href="../../../CWCombined/Combined%20refinement.htm">Combined 1102 X-ray/neutron refinement – PbSO<sub>4</sub></a>” tutorial or download the 1103 GSAS-II project file provided <a href="../../../Scratch/data" target="_blank">here</a>, 1288 1104 which provides a two histogram, one phase refinement. </p> 1289 1105 1290 1106 <p class=MsoNormal><o:p> </o:p></p> 1291 1107 1292 <h2>Part 1. Enter a name for the author of the CIF file. </h2> 1293 1294 <p class=MsoNormal><o:p> </o:p></p> 1295 1296 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1297 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1298 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1108 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1109 1. Enter a name for the author of the CIF file. <o:p></o:p></span></h2> 1110 1111 <p class=MsoNormal><o:p> </o:p></p> 1112 1113 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1114 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1115 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1299 1116 </span></span></span><![endif]><span dir=LTR></span>Select the Controls entry 1300 1117 on the data tree and enter the name for the main author for the project and … … 1323 1140 <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> 1324 1141 <o:lock v:ext="edit" aspectratio="t"/> 1325 </v:shapetype><v:shape id="Picture_x0020_1" o:spid="_x0000_i104 2" type="#_x0000_t75"1142 </v:shapetype><v:shape id="Picture_x0020_1" o:spid="_x0000_i1045" type="#_x0000_t75" 1326 1143 alt="GSAS-II Graphical user interface: Entering author name on Controls panel" 1327 1144 style='width:351pt;height:272pt;visibility:visible;mso-wrap-style:square'> … … 1335 1152 <p class=MsoNormal><o:p> </o:p></p> 1336 1153 1337 <h2>Part 2: Start the export process</h2> 1338 1339 <p class=MsoNormal><o:p> </o:p></p> 1340 1341 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1342 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1343 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1154 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1155 2: Start the export process<o:p></o:p></span></h2> 1156 1157 <p class=MsoNormal><o:p> </o:p></p> 1158 1159 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1160 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1161 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1344 1162 </span></span></span><![endif]><span dir=LTR></span>Using the Export menu, 1345 select the âEntire project asâ menu item and the âFull CIFâsubmenu option. </p>1163 select the “Entire project as” menu item and the “Full CIF” submenu option. </p> 1346 1164 1347 1165 <p class=MsoNormal><o:p> </o:p></p> 1348 1166 1349 1167 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1350 id="Picture_x0020_2" o:spid="_x0000_i104 1" type="#_x0000_t75" alt="Graphical user interface: menu item for export poject as CIF"1168 id="Picture_x0020_2" o:spid="_x0000_i1044" type="#_x0000_t75" alt="Graphical user interface: menu item for export poject as CIF" 1351 1169 style='width:231pt;height:34pt;visibility:visible;mso-wrap-style:square'> 1352 1170 <v:imagedata src="CIFtutorial.fld/image003.png" o:title=" menu item for export poject as CIF"/> … … 1362 1180 1363 1181 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1364 id="Picture_x0020_3" o:spid="_x0000_i104 0" type="#_x0000_t75" alt="Graphical user interface, application Description automatically generated"1182 id="Picture_x0020_3" o:spid="_x0000_i1043" type="#_x0000_t75" alt="Graphical user interface, application Description automatically generated" 1365 1183 style='width:356pt;height:226pt;visibility:visible;mso-wrap-style:square'> 1366 1184 <v:imagedata src="CIFtutorial.fld/image004.png" o:title="Graphical user interface, application Description automatically generated" … … 1373 1191 <p class=MsoNormal><o:p> </o:p></p> 1374 1192 1375 <p class=MsoListParagraph style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1376 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1377 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1193 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1194 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1195 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1378 1196 </span></span></span><![endif]><span dir=LTR></span>Enter a name for the file 1379 if you wish to override the default name and press Save. If that file exists, 1380 you will need to agree to overwrite it or to select a new name. </p> 1381 1382 <p class=MsoNormal><o:p> </o:p></p> 1383 1384 <h2>Part 3: Select instrument name(s)</h2> 1385 1386 <p class=MsoNormal><o:p> </o:p></p> 1387 1388 <p class=MsoNormal>Before a CIF can be created, each histogram must have associated 1389 with it an instrument name. Note that the instrument name appears in the Sample 1390 Parameters tree entry for each histogram. If any instrument does not have a 1391 name, the dialog below is displayed. </p> 1197 if you wish to override the default name and press Save. If that file exists, you 1198 will need to agree to overwrite it or to select a new name. </p> 1199 1200 <p class=MsoNormal><o:p> </o:p></p> 1201 1202 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1203 3: Select instrument name(s)<o:p></o:p></span></h2> 1204 1205 <p class=MsoNormal><o:p> </o:p></p> 1206 1207 <p class=MsoNormal>Before a CIF can be created, each histogram must have 1208 associated with it an instrument name. Note that the instrument name appears in 1209 the Sample Parameters tree entry for each histogram. If any instrument does not 1210 have a name, the dialog below is displayed. </p> 1392 1211 1393 1212 <p class=MsoNormal><o:p> </o:p></p> 1394 1213 1395 1214 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1396 id="Picture_x0020_4" o:spid="_x0000_i1039" type="#_x0000_t75" alt="Graphical user interface: enter instrument name " 1397 style='width:199pt;height:188pt;visibility:visible;mso-wrap-style:square'> 1398 <v:imagedata src="CIFtutorial.fld/image006.png" o:title=" enter instrument name "/> 1399 </v:shape><![endif]--><![if !vml]><img border=0 width=199 height=188 1400 src="CIFtutorial.fld/image006.png" 1401 alt="Graphical user interface: enter instrument name " v:shapes="Picture_x0020_4"><![endif]></span></p> 1402 1403 <p class=MsoNormal><o:p> </o:p></p> 1404 1405 <p class=MsoNormal><o:p> </o:p></p> 1406 1407 <p class=MsoNormal>Ideally the instrument name will be unique, so the combination 1408 of the name and a timestamp will create an identifier that is unlikely to be 1409 repeated. The instrument name should also allow the data source to be 1410 identified should there be several similar instruments within an institution, 1411 but the details for naming are left as a local decision. Inclusion of an institution 1412 name is a good idea, so an ideal name might be âUniv. of Mars, Curiosity IIâ. 1413 While in this case the two histograms are from different instruments, the down 1414 arrow (<span style='font-family:Symbol;mso-ascii-font-family:"Times New Roman"; 1415 mso-hansi-font-family:"Times New Roman";mso-char-type:symbol;mso-symbol-font-family: 1416 Symbol'><span style='mso-char-type:symbol;mso-symbol-font-family:Symbol'>Ã</span></span>) 1417 button will copy the entered name to all fields below, simplifying the data 1418 entry task, when appropriate. <o:p></o:p></p> 1419 1420 <p class=MsoNormal><o:p> </o:p></p> 1421 1422 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1423 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1424 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1425 </span></span></span><![endif]><span dir=LTR></span>Enter names for each instrument 1426 and then press OK.</p> 1427 1428 <p class=MsoNormal><o:p> </o:p></p> 1429 1430 <h2>Part 4: Bond distance/Angle criteria</h2> 1215 id="Picture_x0020_20" o:spid="_x0000_i1042" type="#_x0000_t75" alt="Graphical user interface, application Description automatically generated" 1216 style='width:165pt;height:155pt;visibility:visible;mso-wrap-style:square'> 1217 <v:imagedata src="CIFtutorial.fld/image024.png" o:title="Graphical user interface, application Description automatically generated"/> 1218 </v:shape><![endif]--><![if !vml]><img border=0 width=165 height=155 1219 src="CIFtutorial.fld/image024.png" 1220 alt="Graphical user interface, application Description automatically generated" 1221 v:shapes="Picture_x0020_20"><![endif]></span></p> 1222 1223 <p class=MsoNormal><o:p> </o:p></p> 1224 1225 <p class=MsoNormal><o:p> </o:p></p> 1226 1227 <p class=MsoNormal>Ideally the instrument name will be unique, so the 1228 combination of the name and a timestamp will create an identifier that is 1229 unlikely to be repeated. The instrument name should also allow the data source 1230 to be identified should there be several similar instruments within an 1231 institution, but the details for naming are left as a local decision. Inclusion 1232 of an institution name is a good idea, so an ideal name might be “Univ. of 1233 Mars, Curiosity II”. While in this case the two histograms are from different 1234 instruments, the down arrow (<span style='font-family:Symbol;mso-ascii-font-family: 1235 "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-char-type:symbol; 1236 mso-symbol-font-family:Symbol'><span style='mso-char-type:symbol;mso-symbol-font-family: 1237 Symbol'>Ú</span></span>) button will copy the entered name to all fields below, 1238 simplifying the data entry task, when appropriate. </p> 1239 1240 <p class=MsoNormal><o:p> </o:p></p> 1241 1242 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1243 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1244 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1245 </span></span></span><![endif]><span dir=LTR></span>Enter names for each 1246 instrument and then press OK.</p> 1247 1248 <p class=MsoListParagraphCxSpLast style='text-indent:0in;mso-list:none'><o:p> </o:p></p> 1249 1250 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1251 id="Picture_x0020_22" o:spid="_x0000_i1041" type="#_x0000_t75" alt="Graphical user interface, text, application Description automatically generated" 1252 style='width:202pt;height:192pt;visibility:visible;mso-wrap-style:square'> 1253 <v:imagedata src="CIFtutorial.fld/image025.png" o:title="Graphical user interface, text, application Description automatically generated"/> 1254 </v:shape><![endif]--><![if !vml]><img border=0 width=202 height=192 1255 src="CIFtutorial.fld/image025.png" 1256 alt="Graphical user interface, text, application Description automatically generated" 1257 v:shapes="Picture_x0020_22"><![endif]></span></p> 1258 1259 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1260 4: Bond distance/Angle criteria<o:p></o:p></span></h2> 1431 1261 1432 1262 <p class=MsoNormal><o:p> </o:p></p> … … 1440 1270 1441 1271 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1442 id="Picture_x0020_5" o:spid="_x0000_i10 38" type="#_x0000_t75" alt="Graphical user interface Description automatically generated"1272 id="Picture_x0020_5" o:spid="_x0000_i1040" type="#_x0000_t75" alt="Graphical user interface Description automatically generated" 1443 1273 style='width:180pt;height:164pt;visibility:visible;mso-wrap-style:square'> 1444 1274 <v:imagedata src="CIFtutorial.fld/image007.png" o:title="Graphical user interface Description automatically generated"/> … … 1450 1280 <p class=MsoNormal><o:p> </o:p></p> 1451 1281 1452 <p class=MsoNormal>This dialog will not be shown again, unless invoked manually. 1453 To explain what these numbers mean, distances between Pb and O atoms will be 1454 reported when their interatomic distance is less than or equal to (1.95+1.09)*0.85 1455 à 1456 (=2.584 à 1457 ) and O-Pb-X or X-O-Pb angles will be reported if the Pb-O distance is 1458 less than or equal to (1.75+0.89)*0.85 à 1459 (=2.244 à 1460 ) <i>and</i> the O-X or Pb-X 1461 is within the requirement for that pair of atoms as well (in this case X could 1462 be O, Pb or S). </p> 1463 1464 <p class=MsoNormal><o:p> </o:p></p> 1465 1466 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1467 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1468 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1469 </span></span></span><![endif]><span dir=LTR></span>In this case no changes are 1470 needed, so simply press OK.</p> 1471 1472 <p class=MsoNormal><o:p> </o:p></p> 1473 1474 <h2>Part 5. <span class=GramE>Conditions</span> warning</h2> 1282 <p class=MsoNormal>This dialog will not be shown again, unless invoked 1283 manually. To explain what these numbers mean, distances between Pb and O atoms 1284 will be reported when their interatomic distance is less than or equal to 1285 (1.95+1.09)*0.85 Å (=2.584 Å) and O-Pb-X or X-O-Pb angles will be reported if 1286 the Pb-O distance is less than or equal to (1.75+0.89)*0.85 Å (=2.244 Å) <i>and</i> 1287 the O-X or Pb-X is within the requirement for that pair of atoms as well (in 1288 this case X could be O, Pb or S). </p> 1289 1290 <p class=MsoNormal><o:p> </o:p></p> 1291 1292 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1293 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1294 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1295 </span></span></span><![endif]><span dir=LTR></span>At this point no changes 1296 are needed, so simply press OK.</p> 1297 1298 <p class=MsoNormal><o:p> </o:p></p> 1299 1300 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1301 5. <span class=GramE>Conditions</span> warning<o:p></o:p></span></h2> 1475 1302 1476 1303 <p class=MsoNormal><o:p> </o:p></p> … … 1486 1313 1487 1314 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1488 id="Picture_x0020_6" o:spid="_x0000_i1037" type="#_x0000_t75" alt="Graphical user interface, text, application Description automatically generated" 1489 style='width:352pt;height:185pt;visibility:visible;mso-wrap-style:square'> 1490 <v:imagedata src="CIFtutorial.fld/image008.png" o:title="Graphical user interface, text, application Description automatically generated"/> 1491 </v:shape><![endif]--><![if !vml]><img border=0 width=352 height=185 1492 src="CIFtutorial.fld/image008.png" 1493 alt="Graphical user interface, text, application Description automatically generated" 1494 v:shapes="Picture_x0020_6"><![endif]></span></p> 1495 1496 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1497 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1498 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1499 </span></span></span><![endif]><span dir=LTR></span>Press OK to continue.</p> 1500 1501 <p class=MsoNormal><o:p> </o:p></p> 1502 1503 <p class=MsoNormal>This warning is shown every time the code is CIF generation 1504 code is initiated unless the sample temperature has been set to a value other 1505 than 300 K for each histogram. Note that the Command<span class=GramE>/â</span>Copy 1506 Selectedâ may be useful to change a value in multiple histograms in one 1507 operation. Note that this warning may be ignored if the histogram values are 1508 correct. </p> 1509 1510 <p class=MsoNormal><o:p> </o:p></p> 1511 1512 <h2>Part 6. Specifying CIF Contents. </h2> 1315 id="Picture_x0020_23" o:spid="_x0000_i1039" type="#_x0000_t75" alt="Graphical user interface, text, application, email Description automatically generated" 1316 style='width:220pt;height:87pt;visibility:visible;mso-wrap-style:square'> 1317 <v:imagedata src="CIFtutorial.fld/image026.png" o:title="Graphical user interface, text, application, email Description automatically generated"/> 1318 </v:shape><![endif]--><![if !vml]><img border=0 width=220 height=87 1319 src="CIFtutorial.fld/image026.png" 1320 alt="Graphical user interface, text, application, email Description automatically generated" 1321 v:shapes="Picture_x0020_23"><![endif]></span></p> 1322 1323 <p class=MsoNormal><o:p> </o:p></p> 1324 1325 <p class=MsoNormal>The warning above will be shown every time the code for CIF 1326 generation code is initiated, unless the sample temperature has been set to a 1327 value other than 300 K for each histogram. If indeed the histogram temperature/pressure 1328 values are correct, this warning may be ignored. Note that the Command<span 1329 class=GramE>/“</span>Copy Selected” menu command may be useful to change a 1330 value in multiple histograms in one operation. <o:p></o:p></p> 1331 1332 <p class=MsoNormal><o:p> </o:p></p> 1333 1334 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1335 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1336 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1337 </span></span></span><![endif]><span dir=LTR></span>Press Cancel to stop the 1338 export</p> 1339 1340 <p class=MsoNormal><o:p> </o:p></p> 1341 1342 <p class=MsoNormal>In this case it is of particular importance to note the data 1343 collection temperatures. The neutron dataset was collected at cryogenic 1344 temperatures, while the x-ray data were collected under ambient conditions. </p> 1345 1346 <p class=MsoListParagraphCxSpFirst style='text-indent:0in;mso-list:none'><o:p> </o:p></p> 1347 1348 <p class=MsoListParagraphCxSpLast style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1349 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1350 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1351 </span></span></span><![endif]><span dir=LTR></span>Change the temperature 1352 values in each histogram, as shown below. Note that ideally, temperature and 1353 pressure values will be available to GSAS-II in a data file’s metadata and will 1354 be set in the Sample Parameters automatically, but this is seldom the case.</p> 1355 1356 <p class=MsoNormal style='margin-left:0in'><o:p> </o:p></p> 1357 1358 <p class=MsoNormal style='margin-left:0in'><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1359 id="Picture_x0020_24" o:spid="_x0000_i1038" type="#_x0000_t75" alt="Graphical user interface Description automatically generated" 1360 style='width:292pt;height:279pt;visibility:visible;mso-wrap-style:square'> 1361 <v:imagedata src="CIFtutorial.fld/image027.png" o:title="Graphical user interface Description automatically generated"/> 1362 </v:shape><![endif]--><![if !vml]><img border=0 width=292 height=279 1363 src="CIFtutorial.fld/image027.png" 1364 alt="Graphical user interface Description automatically generated" 1365 v:shapes="Picture_x0020_24"><![endif]></span></p> 1366 1367 <p class=MsoNormal style='margin-left:0in'><o:p> </o:p></p> 1368 1369 <p class=MsoNormal style='margin-left:0in'><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1370 id="Picture_x0020_25" o:spid="_x0000_i1037" type="#_x0000_t75" alt="Graphical user interface, table Description automatically generated" 1371 style='width:291pt;height:280pt;visibility:visible;mso-wrap-style:square'> 1372 <v:imagedata src="CIFtutorial.fld/image028.png" o:title="Graphical user interface, table Description automatically generated"/> 1373 </v:shape><![endif]--><![if !vml]><img border=0 width=291 height=280 1374 src="CIFtutorial.fld/image028.png" 1375 alt="Graphical user interface, table Description automatically generated" 1376 v:shapes="Picture_x0020_25"><![endif]></span></p> 1377 1378 <p class=MsoNormal style='margin-left:0in'><o:p> </o:p></p> 1379 1380 <p class=MsoNormal><o:p> </o:p></p> 1381 1382 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1383 6. Restart the export process<o:p></o:p></span></h2> 1384 1385 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'><o:p> </o:p></span></h2> 1386 1387 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1388 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1389 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1390 </span></span></span><![endif]><span dir=LTR></span>As before, use the Export 1391 menu and select the “Entire project as” menu item and the “Full CIF” submenu 1392 option. If you use the same file name as in Part 2, you will likely need to say 1393 yes to overwrite the file. </p> 1394 1395 <p class=MsoNormal><o:p> </o:p></p> 1396 1397 <p class=MsoNormal>Note that the windows opened previously in steps 3-5 will 1398 not occur again, since the requested information has been provided. <o:p></o:p></p> 1399 1400 <p class=MsoNormal><o:p> </o:p></p> 1401 1402 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1403 7. Specifying CIF Contents. <o:p></o:p></span></h2> 1513 1404 1514 1405 <p class=MsoNormal><o:p> </o:p></p> 1515 1406 1516 1407 <p class=MsoNormal>Once the previous steps have been performed, a window such 1517 as the one below is shown. Note that the âEdit CIF Authorâbutton opens a1518 dialog window, where the information supplied in Part 1 can be changed. The âEdit1519 Instrument Name(s)âbutton reopens the window shown in Part 3.</p>1408 as the one below is shown. Note that the “Edit CIF Author” button opens a 1409 dialog window, where the information supplied in Part 1 can be changed. The 1410 “Edit Instrument Name(s)” button reopens the window shown in Part 3.</p> 1520 1411 1521 1412 <p class=MsoNormal><o:p> </o:p></p> … … 1532 1423 <p class=MsoNormal><o:p> </o:p></p> 1533 1424 1534 <p class=MsoNormal>Note that for every other section of the window, there is are1535 a pair of buttons labeled âSelect Template Fileâ and âEdit Template.â A default1536 template file is selected initially, and information can be included in that 1537 t emplate with the âEdit Templateâ button, as will be shown below. Note that there1538 are four types of template files for (1) overall information; (2) phase 1539 information; (3) powder diffraction data and instrumentation details; and (4) single-crystal 1540 diffraction data and instrumentation details. Note that data items that are set 1541 by GSAS-II directly (for example, lattice parameters and space group 1542 information for a phase) are not included in the template. </p>1543 1544 <p class=MsoNormal><o:p> </o:p></p> 1545 1546 <p class=MsoNormal>The information you specify to place in a template is included1547 in the GSAS-II project (.<span class=SpellE>gpx</span>) file so that if you1548 perform a new refinement, all of the template edits you have made are used 1549 automatically when a new CIF is created. </p>1425 <p class=MsoNormal>Note that for every other section of the window, there is 1426 are a pair of buttons labeled “Select Template File” and “Edit Template.” A 1427 default template file is selected initially, and information can be included in 1428 that template with the “Edit Template” button, as will be shown below. Note 1429 that there are four types of template files for (1) overall information; (2) 1430 phase information; (3) powder diffraction data and instrumentation details; and 1431 (4) single-crystal diffraction data and instrumentation details. Note that data 1432 items that are set by GSAS-II directly (for example, lattice parameters and 1433 space group information for a phase) are not included in the template. </p> 1434 1435 <p class=MsoNormal><o:p> </o:p></p> 1436 1437 <p class=MsoNormal>The information you specify to place in a template is 1438 included in the GSAS-II project (.<span class=SpellE>gpx</span>) file so that 1439 if you perform a new refinement, all of the template edits you have made are 1440 used automatically when a new CIF is created. </p> 1550 1441 1551 1442 <p class=MsoNormal><o:p> </o:p></p> … … 1554 1445 information in a file. There are two reasons for doing this. One is that by 1555 1446 saving the information as a file you potentially create a customized template 1556 file. Use of this file in the future for a different project can save you considerable1557 time, as an example, when documenting a diffractometer. Also, if a file is 1558 saved, instead of keeping all of the template contents in the .<span1447 file. Use of this file in the future for a different project can save you 1448 considerable time, as an example, when documenting a diffractometer. Also, if a 1449 file is saved, instead of keeping all of the template contents in the .<span 1559 1450 class=SpellE>gpx</span> file, only the name of the template file is saved, 1560 1451 reducing the project file size slightly. (The default template files range from 1561 1K to 4K bytes in size, so this not usually very significant savings.) Once a customized1562 template file has been created, use the âSelect Template Fileâ button to select 1563 it in place of the default. </p>1564 1565 <p class=MsoNormal><o:p> </o:p></p> 1566 1567 <p class=MsoListParagraphCxSpFirst style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1568 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1569 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1452 1K to 4K bytes in size, so this not usually very significant savings.) Once a 1453 customized template file has been created, use the “Select Template File” 1454 button to select it in place of the default. </p> 1455 1456 <p class=MsoNormal><o:p> </o:p></p> 1457 1458 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1459 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1460 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1570 1461 </span></span></span><![endif]><span dir=LTR></span>Edit the Publication 1571 template by pressing the âEdit Templateâbutton closest to the top of the1572 window [just below the âPublication (overall) templateâ heading] a window similar1573 to the one below is created. </p>1462 template by pressing the “Edit Template” button closest to the top of the 1463 window [just below the “Publication (overall) template” heading] a window 1464 similar to the one below is created. </p> 1574 1465 1575 1466 <p class=MsoListParagraphCxSpLast style='text-indent:0in;mso-list:none'><o:p> </o:p></p> … … 1597 1488 alt="Graphical user interface Description automatically generated" 1598 1489 v:shapes="Picture_x0020_10"><![endif]></span><span 1599 style='mso-spacerun:yes'> Â</span></p>1490 style='mso-spacerun:yes'> </span></p> 1600 1491 1601 1492 <p class=MsoNormal>Note that this contains three CIF items, _<span 1602 1493 class=SpellE>publ_author_name</span>, _<span class=SpellE>publ_author_footnote</span> 1603 1494 and _<span class=SpellE>publ_author_address</span>, in a table (loop_). Note 1604 the âAdd rowâbutton to the upper left which allows additional rows to be added1605 to the table. The remainder of this template is a series of CIF items that accept1606 a single value. Most CIF items are tagged with a help button, marked with a1607 question mark. That indicates that that CIF item is defined in a CIF1495 the “Add row” button to the upper left which allows additional rows to be added 1496 to the table. The remainder of this template is a series of CIF items that 1497 accept a single value. Most CIF items are tagged with a help button, marked 1498 with a question mark. That indicates that that CIF item is defined in a CIF 1608 1499 dictionary. The definition can be looked up by pressing that help button or by 1609 1500 allowing the mouse to stay stationary on a CIF item name for a few seconds … … 1635 1526 <p class=MsoNormal><o:p> </o:p></p> 1636 1527 1637 <p class=MsoNormal>Note that each text entry box has a small right-angle 1638 bracket (looking a bit like an inverted L) at the lower right corner. This can 1639 be used to resize the text entry box to allow viewing a longer line of text 1640 and/orseveral lines of text. </p>1641 1642 <p class=MsoNormal><o:p> </o:p></p> 1643 1644 <p class=MsoListParagraphCxSpFirst style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1645 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1646 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1647 </span></span></span><![endif]><span dir=LTR></span>Press the âAdd rowâ button1648 tocreate entries for a second author. </p>1649 1650 <p class=MsoListParagraphCxSpMiddle style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1651 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1652 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1528 <p class=MsoNormal>Note that each text entry box has a small right-angle bracket 1529 (looking a bit like an inverted L) at the lower right corner. This can be used 1530 to resize the text entry box to allow viewing a longer line of text and/or 1531 several lines of text. </p> 1532 1533 <p class=MsoNormal><o:p> </o:p></p> 1534 1535 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1536 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1537 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1538 </span></span></span><![endif]><span dir=LTR></span>Press the “Add row” button to 1539 create entries for a second author. </p> 1540 1541 <p class=MsoListParagraphCxSpMiddle style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1542 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1543 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1653 1544 </span></span></span><![endif]><span dir=LTR></span>Enlarge the width of either 1654 of the _<span class=SpellE>publ_author_name</span> entry boxes as well as the height1655 and width of the _<span class=SpellE>publ_author_address</span> item to accommodate 1656 more text. </p>1657 1658 <p class=MsoListParagraphCxSpLast style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1659 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1660 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1545 of the _<span class=SpellE>publ_author_name</span> entry boxes as well as the 1546 height and width of the _<span class=SpellE>publ_author_address</span> item to 1547 accommodate more text. </p> 1548 1549 <p class=MsoListParagraphCxSpLast style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1550 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1551 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1661 1552 </span></span></span><![endif]><span dir=LTR></span>Add text to describe 1662 authorship, such as what has been done below (authorship of the original Anglesite,1663 aka PbSO<sub>4</sub>, crystal structure). Note that as is described in the CIF 1664 definition, author names are supplied as last name, first name. </p>1553 authorship, such as what has been done below (authorship of the original 1554 Anglesite, aka PbSO<sub>4</sub>, crystal structure). Note that as is described 1555 in the CIF definition, author names are supplied as last name, first name. </p> 1665 1556 1666 1557 <p class=MsoNormal><o:p> </o:p></p> … … 1677 1568 <p class=MsoNormal><o:p> </o:p></p> 1678 1569 1679 <p class=MsoListParagraph style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1680 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1681 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1570 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1571 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1572 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1682 1573 </span></span></span><![endif]><span dir=LTR></span>After completing all 1683 appropriate CIF items that would be appropriate for this work, press the âUseâ1574 appropriate CIF items that would be appropriate for this work, press the “Use” 1684 1575 button to close the window, saving the entries into the project file. </p> 1685 1576 … … 1695 1586 croptop="910f" cropbottom="38375f"/> 1696 1587 </v:shape><![endif]--><![if !vml]><img border=0 width=148 height=86 1697 src="CIFtutorial.fld/image0 16.png"1588 src="CIFtutorial.fld/image006.png" 1698 1589 alt="Graphical user interface, text, application, email Description automatically generated" 1699 1590 v:shapes="Picture_x0020_14"><![endif]></span></p> … … 1701 1592 <p class=MsoNormal><o:p> </o:p></p> 1702 1593 1703 <h2>Part 7. Edit Phase Information including Distances and Angles. </h2> 1594 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1595 8. Edit Phase Information including Distances and Angles. <o:p></o:p></span></h2> 1704 1596 1705 1597 <p class=MsoNormal>The phase template contains a relatively small number of 1706 items that can document information about a phase, as shown below. Note that _<span 1707 class=SpellE>cell_measurement_temperature</span> is probably best used only 1708 with single crystal fits. For powder data, the _<span class=SpellE>diffrn_ambient_temperature</span> 1709 field will be set with the temperature supplied for Sample Parameters. If one 1710 produced several projects all using the same sample, it might make sense to produce 1711 a template file that might be used for that sample in all projects. </p> 1598 items that can document information about a phase, as shown below. If one 1599 produced several projects all using the same sample, it might make sense to 1600 produce a template file that might be used for that sample in all projects. </p> 1601 1602 <p class=MsoNormal><o:p> </o:p></p> 1603 1604 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1605 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1606 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1607 </span></span></span><![endif]><span dir=LTR></span>Press the “Edit Template” 1608 button in the Phase section of the “Edit CIF settings” window and the window 1609 below appears. Enter any information desired. Press “Use” when done.<o:p></o:p></p> 1610 1611 <p class=MsoNormal><o:p> </o:p></p> 1712 1612 1713 1613 <p class=MsoNormal><o:p> </o:p></p> 1714 1614 1715 1615 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1716 id="Picture_x0020_15" o:spid="_x0000_i1029" type="#_x0000_t75" alt="Diagram Description automatically generated with low confidence" 1717 style='width:195pt;height:310pt;visibility:visible;mso-wrap-style:square'> 1718 <v:imagedata src="CIFtutorial.fld/image017.png" o:title="Diagram Description automatically generated with low confidence"/> 1719 </v:shape><![endif]--><![if !vml]><img border=0 width=195 height=310 1720 src="CIFtutorial.fld/image017.png" 1721 alt="Diagram Description automatically generated with low confidence" 1722 v:shapes="Picture_x0020_15"><![endif]></span></p> 1723 1724 <p class=MsoNormal><o:p> </o:p></p> 1725 1726 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1727 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1728 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1729 </span></span></span><![endif]><span dir=LTR></span>Press the âSet distance/angle 1730 publication flagâ the window below appears. </p> 1616 id="Picture_x0020_26" o:spid="_x0000_i1029" type="#_x0000_t75" alt="Diagram Description automatically generated with medium confidence" 1617 style='width:214pt;height:316pt;visibility:visible;mso-wrap-style:square'> 1618 <v:imagedata src="CIFtutorial.fld/image008.png" o:title="Diagram Description automatically generated with medium confidence"/> 1619 </v:shape><![endif]--><![if !vml]><img border=0 width=214 height=316 1620 src="CIFtutorial.fld/image008.png" 1621 alt="Diagram Description automatically generated with medium confidence" 1622 v:shapes="Picture_x0020_26"><![endif]></span></p> 1623 1624 <p class=MsoNormal><o:p> </o:p></p> 1625 1626 <p class=MsoNormal><o:p> </o:p></p> 1627 1628 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1629 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1630 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1631 </span></span></span><![endif]><span dir=LTR></span>Press the “Set 1632 distance/angle publication flag” and the window below appears. </p> 1731 1633 1732 1634 <p class=MsoNormal><o:p> </o:p></p> … … 1744 1646 <p class=MsoNormal>This shows the interatomic distances and angles that that 1745 1647 occur within the radii specified above. Note that the Pb radius is too small to 1746 pick up the coordination of that atom, so we should change that .</p>1747 1748 <p class=MsoNormal><o:p> </o:p></p> 1749 1750 <p class=MsoListParagraphCxSpFirst style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1751 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1752 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1753 </span></span></span><![endif]><span dir=LTR></span>Press the âDoneâbutton to1648 pick up the coordination of that atom, so we should change that:</p> 1649 1650 <p class=MsoNormal><o:p> </o:p></p> 1651 1652 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1653 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1654 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1655 </span></span></span><![endif]><span dir=LTR></span>Press the “Done” button to 1754 1656 close this window</p> 1755 1657 1756 <p class=MsoListParagraphCxSpMiddle style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1757 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1758 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1759 </span></span></span><![endif]><span dir=LTR></span>Press the âEdit distance/angle1760 rangesâ button to bring up the screen below. Change the bond search factor from 1761 0.85 to 0.9 to increase the search range, as below.</p>1658 <p class=MsoListParagraphCxSpMiddle style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1659 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1660 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1661 </span></span></span><![endif]><span dir=LTR></span>Press the “Edit 1662 distance/angle ranges” button to bring up the screen below. Change the bond 1663 search factor from 0.85 to 0.9 to increase the search range, as below.</p> 1762 1664 1763 1665 <p class=MsoListParagraphCxSpLast style='text-indent:0in;mso-list:none'><o:p> </o:p></p> … … 1774 1676 <p class=MsoNormal><o:p> </o:p></p> 1775 1677 1776 <p class=MsoListParagraph style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1777 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1778 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1779 </span></span></span><![endif]><span dir=LTR></span>Press the âSet distance/angle1780 publication flagâ and note the additional distances (but not angles) in the 1781 window below. <o:p></o:p></p>1678 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1679 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1680 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1681 </span></span></span><![endif]><span dir=LTR></span>Press the “Set 1682 distance/angle publication flag” and note the additional distances (but not 1683 angles) in the window below. </p> 1782 1684 1783 1685 <p class=MsoNormal><o:p> </o:p></p> … … 1794 1696 1795 1697 <p class=MsoNormal>Note that to obtain the angles around the Pb and O atoms, 1796 the values in the right-hand column and/or the angle search factor range must also1797 be extended. </p>1698 the values in the right-hand column and/or the angle search factor range must 1699 also be extended. </p> 1798 1700 1799 1701 <p class=MsoNormal><o:p> </o:p></p> … … 1805 1707 crystallographic notation). Also note that in the CIF each distance has an 1806 1708 associated _<span class=SpellE>geom_bond_publ_flag</span> value (for angles, _<span 1807 class=SpellE>geom_angle_publ_flag</span>). The value for this can be âyesâ or 1808 ânoâ and a âyesâ value indicates that the value should be placed in a table of 1809 bond distances/angles, if generated from the CIF. By default, this flag 1810 defaults to âyes<span class=GramE>â</span> but this can be changed by clicking 1811 on the distance or angle button. </p> 1812 1813 <p class=MsoNormal><o:p> </o:p></p> 1814 1815 <h2>Part 8. Create a Customized Template File. <o:p></o:p></h2> 1816 1817 <p class=MsoNormal><o:p> </o:p></p> 1818 1819 <p class=MsoNormal>For this particular project, since these were data distributed 1820 from a round-robin study many years ago, relatively little is documented on the 1821 instruments, but as a useful exercise, I recommend opening documenting an 1822 instrument that you use frequently (or twist the arm of the instrument 1823 scientist at your favorite facility to do so.) <span 1824 style='mso-spacerun:yes'> </span></p> 1825 1826 <p class=MsoNormal><o:p> </o:p></p> 1827 1828 <p class=MsoListParagraph style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1829 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1830 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1831 </span></span></span><![endif]><span dir=LTR></span>Press the âEdit Templateâ 1709 class=SpellE>geom_angle_publ_flag</span>). The value for this can be 1710 “yes” or “no” and a “yes” value indicates that the value should be placed 1711 in a table of bond distances/angles, if generated from the CIF. By default, 1712 this flag defaults to “yes<span class=GramE>”</span> but this can be changed by 1713 clicking on the distance or angle button. </p> 1714 1715 <p class=MsoNormal><o:p> </o:p></p> 1716 1717 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1718 9. Create a Customized Template File. <o:p></o:p></span></h2> 1719 1720 <p class=MsoNormal><o:p> </o:p></p> 1721 1722 <p class=MsoNormal>For this particular project, since these were data 1723 distributed from a round-robin study many years ago, relatively little is 1724 documented on the instruments, but as a useful exercise, I recommend opening 1725 documenting an instrument that you use frequently (or twist the arm of the 1726 instrument scientist at your favorite facility to do so.)<span 1727 style='mso-spacerun:yes'> </span></p> 1728 1729 <p class=MsoNormal><o:p> </o:p></p> 1730 1731 <p class=MsoListParagraph style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1732 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1733 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1734 </span></span></span><![endif]><span dir=LTR></span>Press the “Edit Template” 1832 1735 button for either histogram <span class=GramE>and</span> define as many of the 1833 1736 appropriate fields as are appropriate. </p> … … 1844 1747 v:shapes="Picture_x0020_19"><![endif]></span></p> 1845 1748 1846 <p class=MsoListParagraphCxSpFirst style='mso-list:l 1 level1 lfo4'><![if !supportLists]><span1847 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1848 Symbol'><span style='mso-list:Ignore'> ·<span style='font:7.0pt "Times New Roman"'> 1849 </span></span></span><![endif]><span dir=LTR></span>Press the âSave as templateâ1850 button and save the file with a name and location that will make this readily 1851 available for future use.</p>1749 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1750 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1751 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1752 </span></span></span><![endif]><span dir=LTR></span>Press the “Save as 1753 template” button and save the file with a name and location that will make this 1754 readily available for future use.</p> 1852 1755 1853 1756 <p class=MsoListParagraphCxSpLast style='text-indent:0in;mso-list:none'><o:p> </o:p></p> 1854 1757 1855 <p class=MsoNormal>Note that the next time that âExport⊠project⊠to CIFâ is 1856 used, this template can be used by pressing the âSelect Template Fileâ button 1857 for that histogram and by doing this all of the information specified previously 1858 can be used without additional data entry effort. <span 1859 style='mso-spacerun:yes'> </span></p> 1860 1861 <p class=MsoNormal><o:p> </o:p></p> 1862 1863 <h2>Part 9. Create the CIF</h2> 1864 1865 <p class=MsoNormal><o:p> </o:p></p> 1866 1867 <p class=MsoListParagraphCxSpFirst style='mso-list:l1 level1 lfo4'><![if !supportLists]><span 1868 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1869 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1870 </span></span></span><![endif]><span dir=LTR></span>Pressing the âCreate CIFâ 1758 <p class=MsoNormal>Note that the next time that “Export… project… to CIF” is 1759 used, this template can be used by pressing the “Select Template File” button 1760 for that histogram and by doing this all of the information specified 1761 previously can be used without additional data entry effort.<span 1762 style='mso-spacerun:yes'> </span></p> 1763 1764 <p class=MsoNormal><o:p> </o:p></p> 1765 1766 <h2><span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin'>Part 1767 10. Create the CIF<o:p></o:p></span></h2> 1768 1769 <p class=MsoNormal><o:p> </o:p></p> 1770 1771 <p class=MsoListParagraphCxSpFirst style='mso-list:l0 level1 lfo2'><![if !supportLists]><span 1772 style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family: 1773 Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> 1774 </span></span></span><![endif]><span dir=LTR></span>Pressing the “Create CIF” 1871 1775 button will cause the CIF to be written. </p> 1872 1776 … … 1875 1779 <p class=MsoNormal>Depending on the number and size of histograms, this can be 1876 1780 a fairly large file as it contains observed and computed patterns for each, as 1877 well as a reflection table, plus unit cell parameters, symmetry information, coordinates1878 and bond distances and angles for each phase. <o:p></o:p></p>1781 well as a reflection table, plus unit cell parameters, symmetry information, 1782 coordinates and bond distances and angles for each phase. </p> 1879 1783 1880 1784 <p class=MsoNormal><o:p> </o:p></p> … … 1883 1787 example by introducing a new variable, changing the background model etc. all 1884 1788 that need be done to create a CIF with updated information will be to select 1885 the âEntire project asâ menu item and the âFull CIFâsubmenu option from the1886 Export menu and then press the âCreate CIFâ button again. All information generated1887 by GSAS-II will be updated and previously entered will be retained and placed1888 in the new file. </p>1789 the “Entire project as” menu item and the “Full CIF” submenu option from the 1790 Export menu and then press the “Create CIF” button again. All information 1791 generated by GSAS-II will be updated and previously entered will be retained 1792 and placed in the new file. </p> 1889 1793 1890 1794 <p class=MsoNormal><o:p> </o:p></p>
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