Difference between revisions of "Arithmetic crystal class"
From Online Dictionary of Crystallography
AndreAuthier (talk | contribs) |
AndreAuthier (talk | contribs) |
||
| Line 9: | Line 9: | ||
== Definition == | == Definition == | ||
| + | <table border cellspacing=0 cellpadding=5 align=center> | ||
| + | <caption align=top> '''Three-dimensional arithmetic crystal classes.''' </caption> | ||
| + | <tr align=center> | ||
| + | <th rowspan=3> Crystal systems</th> | ||
| + | <th colspan=3> Crystal class</th> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <th rowspan=1 > Geometric</th> | ||
| + | <th colspan=2> Arithmetic</th> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <th> </th> | ||
| + | <th> Number </th> | ||
| + | <th> Symbol </th> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td rowspan=2>Triclinic</td> | ||
| + | <td><math> 1 </math></td> | ||
| + | <td> 1 </td> | ||
| + | <td><math> 1P </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> {\bar 1} </math></td> | ||
| + | <td> 2 </td> | ||
| + | <td><math> {\bar 1}P </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td rowspan=6>Monoclinic</td> | ||
| + | <td><math> 2 </math></td> | ||
| + | <td> 3 </td> | ||
| + | <td><math> 2P </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> m </math></td> | ||
| + | <td> 4 </td> | ||
| + | <td><math> 2C </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> m </math></td> | ||
| + | <td> 5 </td> | ||
| + | <td><math> mP </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> 2/m </math></td> | ||
| + | <td> 6 </td> | ||
| + | <td><math> mC </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> 2/m </math></td> | ||
| + | <td> 7 </td> | ||
| + | <td><math> 2/m P </math></td> | ||
| + | </tr> | ||
| + | <tr align=center> | ||
| + | <td><math> 2/m </math></td> | ||
| + | <td> 8 </td> | ||
| + | <td><math> 2/m C </math></td> | ||
| + | </tr> | ||
| + | </table> | ||
=== See also === | === See also === | ||
Revision as of 10:54, 28 January 2006
Symmorphic
Other languages
Classes arithmétiques (Fr).
Definition
| Crystal systems | Crystal class | ||
|---|---|---|---|
| Geometric | Arithmetic | ||
| Number | Symbol | ||
| Triclinic | [math] 1 [/math] | 1 | [math] 1P [/math] |
| [math] {\bar 1} [/math] | 2 | [math] {\bar 1}P [/math] | |
| Monoclinic | [math] 2 [/math] | 3 | [math] 2P [/math] |
| [math] m [/math] | 4 | [math] 2C [/math] | |
| [math] m [/math] | 5 | [math] mP [/math] | |
| [math] 2/m [/math] | 6 | [math] mC [/math] | |
| [math] 2/m [/math] | 7 | [math] 2/m P [/math] | |
| [math] 2/m [/math] | 8 | [math] 2/m C [/math] | |
See also
Section 8.2.3 of International Tables of Crystallography, Volume A
Sections 1.3.4 and 1.5.3 of International Tables of Crystallography, Volume B
Section 1.4 of International Tables of Crystallography, Volume C