|
Axes |
Coordinates |
Wyckoff positions |
|
|
|
1a |
| II Maximal klassengleiche subgroups |
| Enlarged unit cell, isomorphic |
| [2] P1 |
2a, b, c |
(1/2)x, y, z; +((1/2), 0, 0) |
2 × 1a |
| [2] P1 |
a, 2b, c |
x, (1/2)y, z; +(0, (1/2), 0) |
2 × 1a |
| [2] P1 |
a, b - c, b + c |
x, (1/2)(y - z), (1/2)(y + z); +(0, (1/2), (1/2)) |
2 × 1a |
| [2] P1 |
a - c, b, a + c |
(1/2)(x - z), y, (1/2)(x + z); +((1/2), 0, (1/2)) |
2 × 1a |
| [2] P1 |
a + b, -a + b, c |
(1/2)(x + y), (1/2)(-x + y), z; +((1/2), (1/2), 0) |
2 × 1a |
| [2] P1 |
a + b, b + c, a + c |
(1/2)(x + y - z), (1/2)(-x + y + z), (1/2)(x - y + z); +((1/2), (1/2), (1/2)) |
2 × 1a |
| [2] P1 |
a, b, 2c |
x, y, (1/2)z; (0, 0, (1/2)) |
2 × 1a |
| [3] P1 |
3a, b, c |
(1/3)x, y, z; +((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, b, -a + c |
(1/3)(x + z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, b, a + c |
(1/3)(x - z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, -a + b, c |
(1/3)(x + y), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, a + b, c |
(1/3)(x - y), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, -a + b, -a + c |
(1/3)(x + y + z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, -a + b, a + c |
(1/3)(x + y - z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, a + b, -a + c |
(1/3)(x - y + z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
3a, a + b, a + c |
(1/3)(x - y - z), y, z; ±((1/3), 0, 0) |
3 × 1a |
| [3] P1 |
a, 3b, c |
x, (1/3)y, z; ±(0, (1/3), 0) |
3 × 1a |
| [3] P1 |
a, 3b, -b + c |
x, (1/3)(y + z), z; ±(0, (1/3), 0) |
3 × 1a |
| [3] P1 |
a, 3b, b + c |
x, (1/3)(y - z), z; ±(0, (1/3), 0) |
3 × 1a |
| [3] P1 |
a, b, 3c |
x, y, (1/3)z; (0, 0, (1/3)) |
3 × 1a |
| [p] P1 |
pa, qa + b, ra + c |
(1/p)(x - qy - rz), y, z; +((u/p), 0, 0) |
p × 1a |
|
p = prime > 2; u = 1, . . . p - 1; |
|
|
-(1/2)(p - 1) ≤ q ≤ (1/2)(p - 1) |
|
|
-(1/2)(p - 1) ≤ r ≤ (1/2)(p - 1) |
|
| [p] P1 |
a, pb, qb + c |
x, (1/p)(y - qz), z; +(0, (u/p), 0) |
p × 1a |
|
p = prime > 2; u = 1, . . . p - 1; |
|
|
-(1/2)(p - 1), ≤ q ≤ (1/2)(p - 1) |
|
| [p] P1 |
a, b, pc |
x, y, (1/p)z; +(0, 0, (u/p)) |
p × 1a |
|
p = prime; u = 1, . . . p - 1; |
|
