![[script p]](/Ea/entities/big_scriptp.gif) 31 | 3 | Trigonal |
| No. 43 | ![[script p]](/Ea/entities/med_scriptp.gif) 31 | Patterson symmetry ![[script p]](/Ea/entities/small_scriptp.gif) -3 |
Origin on 31
| Asymmetric unit | 0 ≤ x; 0 ≤ y; 0 ≤ z ≤ 1 |
Symmetry operations
| (1) 1 | (2) 3+(1/3) 0, 0, z | (3) 3-(2/3) 0, 0, z |
Generators selected (1); t(0, 0, 1); (2)
Positions
| Multiplicity, Wyckoff letter, Site symmetry | Coordinates | Reflection conditions | ||||||
| General: | ||||||||
|
| l: l = 3n | ||||||
Symmetry of special projections
| Along [001] 3 Origin at 0, 0, z | Along [100] 1 a' = c Origin at x, 0, 0 | Along [210] 1 a' = c Origin at x, 1/2x, 0 |
Maximal non-isotypic non-enantiomorphic subgroups
| I | [3] 1 (1) | 1 |
| IIa | none |
| IIb | none |
Maximal isotypic subgroups and enantiomorphic subgroups of lowest index
| IIc | [2] 32 (c' = 2c) (44); [7] 31 (c' = 7c) (43) |
Minimal non-isotypic non-enantiomorphic supergroups
| I | [2] 3112 (47); [2] 61 (54); [2] 64 (57) |
| II | [3] 3 (c' = 1/3c) (42) |
