https://dictionary.iucr.org/index.php?action=history&feed=atom&title=Bragg_R_factor
Bragg R factor - Revision history
2026-06-04T03:53:21Z
Revision history for this page on the wiki
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https://dictionary.iucr.org/index.php?title=Bragg_R_factor&diff=4393&oldid=prev
BrianMcMahon: Added German and Spanish translations (U. Mueller)
2017-11-09T16:06:33Z
<p>Added German and Spanish translations (U. Mueller)</p>
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<td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 16:06, 9 November 2017</td>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><font color="red">Bragg-''R''-Wert</font> (''Ge''). <font color="green">Factor ''R'' de Bragg</font> (''Sp'').</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Definition ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Definition ==</div></td></tr>
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BrianMcMahon
https://dictionary.iucr.org/index.php?title=Bragg_R_factor&diff=2726&oldid=prev
BrianMcMahon at 11:49, 4 April 2008
2008-04-04T11:49:25Z
<p></p>
<p><b>New page</b></p><div>== Definition ==<br />
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The [[R factor|''R'' factor]] measuring the agreement between the reflection intensities calculated from a crystallographic model and those measured experimentally.<br />
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<math>R_B = {{\sum | I_{obs} - I_{calc} | } \over {\sum |I_{obs} |}}</math>.<br />
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In the [[Rietveld method]] ''R<sub>B</sub>'' is useful because it depends on the fit of the structural parameters and not on the profile parameters.<br />
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[[Category:Structure determination]]</div>
BrianMcMahon