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Space group determination: Difference between revisions
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→Table of space groups by Laue class and Bravais type: add "usually" for oP
m (→Subgroup and supergroup relations of these space groups: add reference to ITC Vol A figure) |
m (→Table of space groups by Laue class and Bravais type: add "usually" for oP) |
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| 2/m || mC || 5 || - |||| The [[pointless]] article discusses why I2 (mI) should not be used. | | 2/m || mC || 5 || - |||| The [[pointless]] article discusses why I2 (mI) should not be used. | ||
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| mmm || oP || 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. | | mmm || oP || 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 usually needed and should not usually be used. | ||
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| mmm || oC || 21 || 20 |||| screw axis extinctions let you decide | | mmm || oC || 21 || 20 |||| screw axis extinctions let you decide | ||