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Space group determination: Difference between revisions
→Space groups to consider based on CORRECT suggestion: add Bravais type and Laue group
(→Space groups to consider based on CORRECT suggestion: add Bravais type and Laue group) |
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| mP || 2m || 3 || 4 || screw axis extinctions let you decide | | mP || 2m || 3 || 4 || screw axis extinctions let you decide | ||
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| 5 || - || The [[pointless]] article discusses why I2 should not be used. | | mC || 2m || 5 || - || The [[pointless]] article discusses why I2 (mI) should not be used. | ||
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| 16 || 17, 18, 19 || screw axis extinctions let you decide. The [[pointless]] article discusses why CCP4's 1017 (P2<sub>1</sub>22), 2017 (P22<sub>1</sub>2), 2018 (P2<sub>1</sub>22<sub>1</sub>) , 3018 (P22<sub>1</sub>2<sub>1</sub>) are not needed and should not be used. | | oP || mmm || 16 || 17, 18, 19 || screw axis extinctions let you decide. The [[pointless]] article discusses why CCP4's 1017 (P2<sub>1</sub>22), 2017 (P22<sub>1</sub>2), 2018 (P2<sub>1</sub>22<sub>1</sub>) , 3018 (P22<sub>1</sub>2<sub>1</sub>) are not needed and should not be used. | ||
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| 21 || 20 || screw axis extinctions let you decide | | oC || mmm || 21 || 20 || screw axis extinctions let you decide | ||
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| 22 || - || | | oF || mmm || 22 || - || | ||
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| 23 || 24 || screw axis extinctions do '''not''' let you decide because the I centering results in h+k+l=2n and the screw axis extinction 00l=2n is just a special case of that. | | oI || mmm || 23 || 24 || screw axis extinctions do '''not''' let you decide because the I centering results in h+k+l=2n and the screw axis extinction 00l=2n is just a special case of that. | ||
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| 75 || 76, 77, 78 || screw axis extinctions let you decide, except between 76/78 enantiomorphs | | tP || 4/m || 75 || 76, 77, 78 || screw axis extinctions let you decide, except between 76/78 enantiomorphs | ||
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| 89 || 90, 91, 92, 93, 94, 95, 96 || screw axis extinctions let you decide, except between 91/95 and 92/96 enantiomorphs | | tP || 4/mmm || 89 || 90, 91, 92, 93, 94, 95, 96 || screw axis extinctions let you decide, except between 91/95 and 92/96 enantiomorphs | ||
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| 79 || 80 || screw axis extinctions let you decide | | tI || 4/m || 79 || 80 || screw axis extinctions let you decide | ||
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| 97 || 98 || screw axis extinctions let you decide | | tI || 4/mmm || 97 || 98 || screw axis extinctions let you decide | ||
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| 143 || 144, 145 || screw axis extinctions let you decide, except between 144/145 enantiomorphs | | hP || -3 || 143 || 144, 145 || screw axis extinctions let you decide, except between 144/145 enantiomorphs | ||
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| 146 || - || | | hR || -3 || 146 || - || | ||
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| 149 || 151, 153 || screw axis extinctions let you decide, except between 151/153 enantiomorphs | | hP || -3/m || 149 || 151, 153 || screw axis extinctions let you decide, except between 151/153 enantiomorphs | ||
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| 150 || 152, 154 || screw axis extinctions let you decide, except between 152/154 enantiomorphs | | hP || -3/m || 150 || 152, 154 || screw axis extinctions let you decide, except between 152/154 enantiomorphs | ||
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| 155 || - || | | hR || -3/m || 155 || - || | ||
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| 168 || 169, 170, 171, 172, 173 || screw axis extinctions let you decide, except between 169/170 and 171/172 enantiomorphs | | hP || 6/m || 168 || 169, 170, 171, 172, 173 || screw axis extinctions let you decide, except between 169/170 and 171/172 enantiomorphs | ||
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| 177 || 178, 179, 180, 181, 182 || screw axis extinctions let you decide, except between 178/179 and 180/181 enantiomorphs | | hP || 6/mmm || 177 || 178, 179, 180, 181, 182 || screw axis extinctions let you decide, except between 178/179 and 180/181 enantiomorphs | ||
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| 195 || 198 || screw axis extinctions let you decide | | cP || m-3 || 195 || 198 || screw axis extinctions let you decide | ||
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| 196 || - || | | cF || m-3 || 196 || - || | ||
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| 197 || 199 || screw axis extinctions do '''not''' let you decide because the I centering results in h+k+l=2n and the screw axis extinction 00l=2n is just a special case of that. | | cI || m-3 || 197 || 199 || screw axis extinctions do '''not''' let you decide because the I centering results in h+k+l=2n and the screw axis extinction 00l=2n is just a special case of that. | ||
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| 207 || 208, 212, 213 || screw axis extinctions let you decide, except between 212/213 enantiomorphs | | cP || m-3m || 207 || 208, 212, 213 || screw axis extinctions let you decide, except between 212/213 enantiomorphs | ||
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| 209 || 210 || screw axis extinctions let you decide | | cF || m-3m || 209 || 210 || screw axis extinctions let you decide | ||
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| 211 || 214 || screw axis extinctions let you decide | | cI || m-3m || 211 || 214 || screw axis extinctions let you decide | ||
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