![[script p]](/Ea/entities/big_scriptp.gif) cc2 | mm2 | Orthorhombic |
| No. 16 | ![[script p]](/Ea/entities/med_scriptp.gif) cc2 | Patterson symmetry ![[script p]](/Ea/entities/small_scriptp.gif) mmm |
Origin on cc2
| Asymmetric unit | 0 ≤ x; 0 ≤ y; 0 ≤ z ≤ 1 |
Symmetry operations
| (1) 1 | (2) 2 0, 0, z | (3) c x, 0, z | (4) c 0, y, z |
Generators selected (1); t(0, 0, 1); (2); (3)
Positions
| Multiplicity, Wyckoff letter, Site symmetry | Coordinates | Reflection conditions | |||||||
| General: | |||||||||
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| l: l = 2n | |||||||
| Special: no extra conditions | |||||||
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Symmetry of special projections
| Along [001] 2mm Origin at 0, 0, z | Along [100] 11m a' = 1/2c Origin at x, 0, 0 | Along [010] 11m a' = 1/2c Origin at 0, y, 0 |
Maximal non-isotypic non-enantiomorphic subgroups
| I | [2] 112 (8) | 1; 2 |
| [2] 1c1 (c11, 5) | 1; 3 | |
| [2] c11 (5) | 1; 4 |
| IIa | none |
| IIb | none |
Maximal isotypic subgroups and enantiomorphic subgroups of lowest index
| IIc | [3] cc2 (c' = 3c) (16) |
Minimal non-isotypic non-enantiomorphic supergroups
| I | [2] ccm (21); [2] 42cm (35); [2] 4cc (36); [2] -42c (38); [3] 6cc (69) |
| II | [2] mm2 (c' = 1/2c) (15) |
