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Old way of Space group determination: Difference between revisions
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Old way of Space group determination (view source)
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Space group determination can be done within XDS by following these steps: | Space group determination can be done within XDS by following these steps: | ||
* an initial data reduction in P1, using SPACE_GROUP_NUMBER=0 (or even omitting that line) | * an initial data reduction in P1, using SPACE_GROUP_NUMBER=0 (or even omitting that line) | ||
* after CORRECT has thus run in P1, one may try other spacegroups by inspecting the table | * after CORRECT has thus run in P1, one may try other spacegroups by inspecting the table "DETERMINATION OF LATTICE CHARACTER AND BRAVAIS LATTICE" in [[IDXREF.LP]]. An example: | ||
LATTICE- BRAVAIS- QUALITY UNIT CELL CONSTANTS (ANGSTROEM & DEGREES) REINDEXING CARD (CORRECT) | |||
CHARACTER LATTICE OF FIT a b c alpha beta gamma | |||
1 cF 999.0 329.1 328.9 329.5 120.2 83.7 127.4 1 1 -1 0 1 -1 1 0 -1 -1 -1 0 | |||
2 hR 919.0 219.6 285.4 329.4 114.5 85.4 109.9 1 1 0 0 -1 0 -1 0 -1 1 1 0 | |||
3 cP 919.7 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
5 cI 999.0 285.4 219.4 294.9 65.5 44.4 70.3 -1 0 -1 0 -1 1 0 0 0 1 -1 0 | |||
4 hR 917.8 219.6 285.4 328.9 114.5 85.5 109.8 -1 -1 0 0 1 0 -1 0 1 -1 1 0 | |||
6 tI 999.0 294.9 285.4 219.4 70.3 65.5 44.4 0 1 -1 0 -1 0 -1 0 -1 1 0 0 | |||
7 tI 999.0 285.4 219.4 294.9 65.5 44.4 70.3 -1 0 -1 0 -1 1 0 0 0 1 -1 0 | |||
8 oI 999.0 219.4 285.4 294.9 44.4 65.5 70.3 1 -1 0 0 1 0 1 0 0 -1 1 0 | |||
9 hR 881.8 145.8 219.4 767.9 91.8 101.0 131.6 1 0 0 0 -1 1 0 0 -1 -1 3 0 | |||
10 mC 135.8 219.4 219.6 245.4 89.9 90.1 96.8 1 -1 0 0 1 1 0 0 0 0 1 0 | |||
11 tP 136.4 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
12 hP 385.3 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
13 oC 135.8 219.4 219.6 245.4 90.1 90.1 83.2 -1 1 0 0 1 1 0 0 0 0 -1 0 | |||
15 tI 632.0 145.8 164.1 537.2 72.3 74.3 90.1 -1 0 0 0 0 1 0 0 -1 1 -2 0 | |||
16 oF 999.0 219.4 219.6 537.2 92.7 114.0 83.2 1 -1 0 0 -1 -1 0 0 -1 1 -2 0 | |||
14 mC 135.2 219.4 219.6 245.4 90.1 90.1 83.2 -1 1 0 0 1 1 0 0 0 0 -1 0 | |||
17 mC 999.0 219.6 219.4 285.4 70.3 109.9 83.2 -1 -1 0 0 1 -1 0 0 1 0 1 0 | |||
18 tI 999.0 294.9 329.4 145.8 63.7 90.0 110.0 0 -1 1 0 1 -1 -1 0 1 0 0 0 | |||
19 oI 999.0 145.8 294.9 329.4 70.0 63.7 90.0 -1 0 0 0 0 -1 1 0 -1 1 1 0 | |||
20 mC 783.5 295.5 294.9 145.8 90.0 90.0 112.4 0 1 1 0 0 1 -1 0 -1 0 0 0 | |||
21 tP 785.1 164.1 245.4 145.8 90.0 90.1 90.1 0 1 0 0 0 0 -1 0 -1 0 0 0 | |||
22 hP 999.0 164.1 245.4 145.8 90.0 90.1 90.1 0 1 0 0 0 0 -1 0 -1 0 0 0 | |||
23 oC 783.2 294.9 295.5 145.8 90.0 90.0 67.6 0 1 -1 0 0 -1 -1 0 -1 0 0 0 | |||
24 hR 999.0 434.5 295.5 145.8 90.0 70.5 87.2 -1 2 -1 0 0 -1 -1 0 -1 0 0 0 | |||
25 mC 782.6 294.9 295.5 145.8 90.0 90.0 67.6 0 1 -1 0 0 -1 -1 0 -1 0 0 0 | |||
26 oF 623.1 145.8 359.0 512.0 83.3 106.6 113.9 1 0 0 0 -1 2 0 0 -1 0 2 0 | |||
27 mC 500.0 359.0 145.8 294.9 90.0 120.5 66.1 -1 2 0 0 -1 0 0 0 0 -1 1 0 | |||
28 mC 252.2 145.8 512.0 164.1 89.9 90.1 73.4 -1 0 0 0 -1 0 2 0 0 1 0 0 | |||
29 mC 251.8 145.8 359.0 245.4 89.9 90.0 66.1 1 0 0 0 1 -2 0 0 0 0 -1 0 | |||
30 mC 315.8 164.1 517.1 145.8 90.0 90.1 71.6 0 1 0 0 0 1 -2 0 -1 0 0 0 | |||
31 aP 0.3 145.8 164.1 245.4 89.9 90.0 89.9 1 0 0 0 0 1 0 0 0 0 1 0 | |||
32 oP 2.8 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
40 oC 315.8 164.1 517.1 145.8 90.0 90.1 108.4 0 -1 0 0 0 1 -2 0 1 0 0 0 | |||
35 mP 0.9 164.1 145.8 245.4 90.0 90.1 90.1 0 -1 0 0 1 0 0 0 0 0 1 0 | |||
36 oC 252.2 145.8 511.9 164.1 89.9 90.1 106.5 -1 0 0 0 1 0 2 0 0 1 0 0 | |||
33 mP 2.5 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
38 oC 251.6 145.8 359.0 245.4 89.9 90.0 113.9 1 0 0 0 -1 2 0 0 0 0 1 0 | |||
34 mP 2.2 145.8 245.4 164.1 90.1 90.1 90.0 1 0 0 0 0 0 1 0 0 -1 0 0 | |||
42 oI 565.2 145.8 164.1 537.2 107.7 105.7 90.1 1 0 0 0 0 -1 0 0 -1 1 -2 0 | |||
41 mC 315.5 517.1 164.1 145.8 90.1 90.0 71.6 0 -1 2 0 0 -1 0 0 1 0 0 0 | |||
37 mC 250.3 511.9 145.8 164.1 90.1 90.1 73.5 -1 0 -2 0 -1 0 0 0 0 1 0 0 | |||
39 mC 249.7 359.0 145.8 245.4 90.0 90.1 66.1 1 -2 0 0 1 0 0 0 0 0 1 0 | |||
43 mI 999.0 219.4 537.2 164.1 107.7 138.4 66.0 -1 1 0 0 -1 1 -2 0 0 -1 0 0 | |||
44 aP 0.0 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
This list is somewhat easier to go through by running [[jiffies|sortlattices]] - the top 12 sorted by "Quality of Fit (QoF)" are: | |||
44 aP 0.0 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
31 aP 0.3 145.8 164.1 245.4 89.9 90.0 89.9 1 0 0 0 0 1 0 0 0 0 1 0 | |||
35 mP 0.9 164.1 145.8 245.4 90.0 90.1 90.1 0 -1 0 0 1 0 0 0 0 0 1 0 | |||
34 mP 2.2 145.8 245.4 164.1 90.1 90.1 90.0 1 0 0 0 0 0 1 0 0 -1 0 0 | |||
33 mP 2.5 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
32 oP 2.8 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
14 mC 135.2 219.4 219.6 245.4 90.1 90.1 83.2 -1 1 0 0 1 1 0 0 0 0 -1 0 | |||
10 mC 135.8 219.4 219.6 245.4 89.9 90.1 96.8 1 -1 0 0 1 1 0 0 0 0 1 0 | |||
13 oC 135.8 219.4 219.6 245.4 90.1 90.1 83.2 -1 1 0 0 1 1 0 0 0 0 -1 0 | |||
11 tP 136.4 145.8 164.1 245.4 90.1 90.0 90.1 -1 0 0 0 0 1 0 0 0 0 -1 0 | |||
39 mC 249.7 359.0 145.8 245.4 90.0 90.1 66.1 1 -2 0 0 1 0 0 0 0 0 1 0 | |||
37 mC 250.3 511.9 145.8 164.1 90.1 90.1 73.5 -1 0 -2 0 -1 0 0 0 0 1 0 0 | |||
Obviously there's a sharp increase from Lattice character 32 (QoF=2.8) to 14 (QoF=135.2) indicating that the highest symmetry spacegroups consistent with the observed pattern of Bragg reflections are oP (orthorhombic primitive). | |||