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Axes |
Coordinates |
Wyckoff positions |
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origin 1 |
origin 2 |
8a |
8b |
16c |
16d |
32e |
48f |
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96g |
96h |
192i |
I Maximal translationengleiche subgroups |
[2] F-43m |
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x + (1/8), y + (1/8), |
4a; 4d |
4b; 4c |
16e |
16e |
2 × 16e |
24f; 24g |
(216) |
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z + (1/8) |
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2 × 48h |
96i |
2 × 96i |
[2] F4132 |
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x + (1/8), y + (1/8), |
8a |
8b |
16c |
16d |
32e |
48f |
(210) |
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z + (1/8) |
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96h |
2 × 48g |
2 × 96h |
[2] Fd-3 |
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8a |
8b |
16c |
16d |
32e |
48f |
(203) |
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96g |
96g |
2 × 96g |
[4] R-3m |
(1/2)(b + c), (1/2)(a + c), |
- x + y + z - (1/8), |
-x + y + z, |
2c |
2c |
1a; 3d |
1b; 3e |
2c; 6h |
2 × 6h |
(166) |
(1/2)(a + b) |
x - y + z - (1/8), |
x - y + z, |
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2 × 6h; 12i |
6f; 6g; 12i |
4 × 12i |
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(rhombohedral axes) |
x + y - z - (1/8) |
x + y - z |
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(1/2)(-a + b), (1/2)(-b + c), |
(2/3)(-2x + y + z), |
(2/3)(-2x + y + z), |
6c |
6c |
3a; 9d |
3b; 9e |
6c; 18h |
2 × 18h |
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a + b + c |
(2/3)(-x - y + 2z), |
(2/3)(-x - y + 2z), |
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2 × 18h; 36i |
18f; 18g; 36i |
4 × 36i |
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(hexagonal axes) |
(1/3)(x + y + z) - (1/8) |
(1/3)(x + y + z) |
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conjugate: |
(1/2)(a + b), (1/2)(-b - c), |
(2/3)(2x + y - z), |
(2/3)(2x + y - z) + (1/2), |
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-a + b - c |
(2/3)(x - y - 2z), |
(2/3)(x - y - 2z) + (1/2), |
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(hexagonal axes) |
(1/3)(-x + y - z) - (1/8) |
(1/3)(-x + y - z) + (1/2) |
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conjugate: |
(1/2)(-a - b), (1/2)(b - c), |
(2/3)(-2x - y - z), |
(2/3)(-2x - y - z), |
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a - b - c |
(2/3)(-x + y - 2z), |
(2/3)(-x + y - 2z) + (1/2), |
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(hexagonal axes) |
(1/3)(x - y - z) - (1/8) |
(1/3)(x - y - z) + (1/2) |
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conjugate: |
(1/2)(a - b), (1/2)(b + c), |
(2/3)(2x - y + z), |
(2/3)(2x - y + z) + (1/2), |
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-a - b + c |
(2/3)(x + y + 2z), |
(2/3)(x + y + 2z), |
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(hexagonal axes) |
(1/3)(-x - y + z) - (1/8) |
(1/3)(-x - y + z) + (1/2) |
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[3] I41/amd |
(1/2)(a - b), (1/2)(a + b), c |
x - y, x + y, z |
x - y, x + y + (1/2), z |
4a |
4b |
8c |
8d |
16h |
8e; 16g |
(141) |
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16h; 32i |
16f; 32i |
3 × 32i |
conjugate: |
(1/2)(b - c), (1/2)(b + c), a |
y - z, y + z, x |
y - z, y + z + (1/2), x |
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conjugate: |
(1/2)(-a + c), (1/2)(a + c), b |
-x + z, x + z, y |
-x + z, x + z + (1/2), y |
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II Maximal klassengleiche subgroups |
Enlarged unit cell, isomorphic |
[27] Fd-3m |
3a, 3b, 3c |
(1/3)x - (1/4), (1/3)y - (1/4), |
(1/3)x, (1/3)y, (1/3)z; |
8b; |
8a; |
16c; 32e; |
16d; 32e; |
3 × 32e; |
3 × 48f; |
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(1/3)z - (1/4) |
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2 × 32e; |
2 × 32e; |
3 × 96g; |
3 × 96g; |
6 × 96g; |
6 × 96g; |
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±((1/3), 0, 0); ±(0, (1/3), 0); ±(0, 0, (1/3)); |
48f; 96g |
48f; 96g |
96h |
96h |
192i |
3 × 192i |
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±(0, (1/3), (1/3)); ±((1/3), 0, (1/3)); ±((1/3), (1/3), 0); |
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9 × 96g; |
3 × 96h; |
27 × 192i |
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±(0, (1/3), (2/3)); ±((1/3), 0, (2/3)); ±((1/3), (2/3), 0); |
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9 × 192i |
12 × 192i |
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±((1/3), (1/3), (1/3)); ±((2/3), (1/3), (1/3)); ±((1/3), (2/3), (1/3)); |
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±((1/3), (1/3), (2/3)) |
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