Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); t(1/2, 1/2, 1/2); (2); (3); (5)
Multiplicity, Wyckoff letter,
Site symmetry | Coordinates |
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| | (0, 0, 0)+ (1/2, 1/2, 1/2)+ |
| | (1) x, y, z | (2) -x + 1/2, -y + 1/2, z + 1/2 | (3) -y, x + 1/2, z + 1/4 | (4) y + 1/2, -x, z + 3/4 | | (5) x, -y, z + 1/2 | (6) -x + 1/2, y + 1/2, z | (7) -y, -x + 1/2, z + 3/4 | (8) y + 1/2, x, z + 1/4 |
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I Maximal translationengleiche subgroups
| [2] I4111 (80, I41) | (1; 2; 3; 4)+ |
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| [2] I2c1 (45, Iba2) | (1; 2; 5; 6)+ |
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| [2] I21d (43, Fdd2) | (1; 2; 7; 8)+ | a - b, a + b, c
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II Maximal klassengleiche subgroups
- Loss of centring translations
[3] c' = 3c
| I41cd (110) | <2 + (1, 0, 1); 3 + (1/2, -1/2, 1/2); 5 + (0, 0, 1)> | a, b, 3c | 1/2, 0, 0 |
- Series of maximal isomorphic subgroups
[p] c' = pc
| I41cd (110) | <2 + (1, 0, p/2 - 1/2); 3 + (1/2, -1/2, p/4 - 1/4); 5 + (0, 0, p/2 - 1/2)> | a, b, pc | 1/2, 0, 0 | | | p > 2; p ≡ 3 (mod 4)
no conjugate subgroups |
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[p] c' = pc
| I41cd (110) | <2 + (0, 0, p/2 - 1/2); 3 + (0, 0, p/4 - 1/4); 5 + (0, 0, p/2 - 1/2)> | a, b, pc | | | | p > 4; p ≡ 1 (mod 4)
no conjugate subgroups |
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[p2] a' = pa, b' = pb
| I41cd (110) | <2 + (p/2 - 1/2 + 2u, p/2 - 1/2 + 2v, 0); 3 + (u + v, p/2 - 1/2 - u + v, 0); 5 + (0, 2v, 0)> | pa, pb, c | u, v, 0 | | | p > 2; 0 ≤ u < p; 0 ≤ v < p
p2 conjugate subgroups for the prime p |
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I Minimal translationengleiche supergroups
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
| [2] c' = 1/2c C42md (102, P42nm) |
