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Axes |
Coordinates |
Wyckoff positions |
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2a |
4b |
4c |
6d |
6e |
6f |
8g |
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12h |
12i |
12j |
12k |
12l |
24m |
I Maximal translationengleiche subgroups |
[2] P23 |
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1a; 1b |
4e |
4e |
3c; 3d |
6g |
6h |
2 × 4e |
(195) |
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6f; 6i |
2 × 6g |
2 × 6h |
12j |
12j |
2 × 12j |
[4] R32 |
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x + (1/4), y + (1/4), z + (1/4) |
2c |
1b; 3e |
1a; 3d |
6f |
3d; 3e |
3d; 3e |
2c; 6f |
(155) |
(rhombohedral axes) |
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2 × 6f |
2 × 6f |
2 × 6f |
2 × 3e; 6f |
2 × 3d; 6f |
4 × 6f |
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a - b, b - c, |
(1/3)(2x - y - z), (1/3)(x + y - 2z), |
6c |
3b; 9e |
3a; 9d |
18f |
9d; 9e |
9d; 9e |
6c; 18f |
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a + b + c |
(1/3)(x + y + z) + (1/4) |
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2 × 18f |
2 × 18f |
2 × 18f |
2 × 9e; 18f |
2 × 9d; 18f |
4 × 18f |
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(hexagonal axes) |
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conjugate: |
-a - b, b + c, |
(1/3)(-2x - y + z), (1/3)(-x + y + 2z), |
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-a + b - c |
(1/3)(-x + y - z) + (1/4) |
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(hexagonal axes) |
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conjugate: |
a + b, -b + c, |
(1/3)(2x + y + z), (1/3)(x - y + 2z), |
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a - b - c |
(1/3)(x - y - z) + (1/4) |
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(hexagonal axes) |
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conjugate: |
-a + b, -b - c, |
(1/3)(-2x + y - z), (1/3)(-x - y - 2z), |
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-a - b + c |
(1/3)(-x - y + z) + (1/4) |
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(hexagonal axes) |
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[3] P4222 |
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x + (1/2), y, z |
2d |
4o |
4n |
2a; 2b; 2c |
2f; 4l |
2e; 4m |
8p |
(93) |
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4i; 4j; 4k |
4h; 2 × 4l |
4g; 2 × 4m |
4o; 8p |
4n; 8p |
3 × 8p |
conjugate: |
b, c, a |
y + (1/2), z, x |
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conjugate: |
c, a, b |
z + (1/2), x, y |
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II Maximal klassengleiche subgroups |
Enlarged unit cell, non-isomorphic |
[2] F4132 |
2a, 2b, 2c |
(1/2)x, (1/2)y, (1/2)z; +((1/2), 0, 0) |
8a; 8b |
16c; 16d |
32e |
48f |
48g |
48g |
2 × 32e |
(210) |
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2 × 48f |
96h |
96h |
2 × 48g |
96h |
2 × 96h |
[2] F4132 |
2a, 2b, 2c |
(1/2)x + (1/4), (1/2)y + (1/4), (1/2)z + (1/4); +((1/2), 0, 0) |
8a; 8b |
32e |
16c; 16d |
48f |
48g |
48g |
2 × 32e |
(210) |
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2 × 48f |
96h |
96h |
96h |
2 × 48g |
2 × 96h |
[4] I4132 |
2a, 2b, 2c |
(1/2)x, (1/2)y, (1/2)z; +((1/2), 0, 0); |
16e |
8a; 24h |
8b; 24g |
2 × 24f |
12c; 12d; 24f |
24g; 24h |
16e; 48i |
(214) |
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+(0, (1/2), 0); +(0, 0, (1/2)) |
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2 × 48i |
4 × 24f |
2 × 48i |
2 × 24h; 48i |
2 × 24g; 48i |
4 × 48i |
[4] I4132 |
2a, 2b, 2c |
(1/2)x + (1/4), (1/2)y + (1/4), (1/2)z + (1/4); +((1/2), 0, 0); |
16e |
8b; 24g |
8a; 24h |
2 × 24f |
24g; 24h |
12c; 12d; 24f |
16e; 48i |
(214) |
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+(0, (1/2), 0); +(0, 0, (1/2)) |
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2 × 48i |
2 × 48i |
4 × 24f |
2 × 24g; 48i |
2 × 24h; 48i |
4 × 48i |
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Axes |
Coordinates |
Wyckoff positions |
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2a |
4b |
4c |
6d |
6e |
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6f |
8g |
12h |
12i |
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12j |
12k |
12l |
24m |
Enlarged unit cell, isomorphic |
[27] P4232 |
3a, 3b, 3c |
(1/3)x, (1/3)y, (1/3)z; ±((1/3), 0, 0); |
2a; 2 × 8g; |
4c; 8g; 2 × 12l; |
4b; 8g; 2 × 12k; |
6d; 12h; 12i; |
6e; 12i; 12k; |
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±(0, (1/3), 0); ±(0, 0, (1/3)); |
12h; 24m |
3 × 24m |
3 × 24m |
12j; 5 × 24m |
12l; 5 × 24m |
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±(0, (1/3), (1/3)); ±((1/3), 0, (1/3)); |
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±((1/3), (1/3), 0); ±(0, (1/3), (2/3)); |
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6f; 12j; 12k; |
3 × 8g; 8 × 24m |
3 × 12h; |
3 × 12i; |
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±((1/3), 0, (2/3)); ±((1/3), (2/3), 0); |
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12l; 5 × 24m |
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12 × 24m |
12 × 24m |
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±((1/3), (1/3), (1/3)); ±((1/3), (1/3), (2/3)); |
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3 × 12j; 12 × 24m |
3 × 12l; 12 × 24m |
3 × 12k; |
27 × 24m |
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±((1/3), (2/3), (1/3)); ±((2/3), (1/3), (1/3)) |
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12 × 24m |
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[p3] P4232 |
pa, pb, pc |
(1/p)x, (1/p)y, (1/p)z; |
2a; |
4b(c*); ((p - 1)/2) × 8g; |
4c(b*); ((p - 1)/2) × 8g; |
6d; ((p - 1)/2) × 12h; |
6e; ((p - 1)/2) × 12i; |
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+((u/p), (v/p), (w/p)) |
(p - 1) × 8g; |
(p - 1) × 12k(l*); |
(p - 1) × 12l(k*); |
((p - 1)/2) × 12i; |
((p - 1)/2) × 12k; |
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p = prime > 2; |
((p - 1)/2) × 12h; |
((p3 - 4p + 3)/6) × 24m |
((p3 - 4p + 3)/6) × 24m |
((p - 1)/2) × 12j; |
((p - 1)/2) × 12l; |
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u, v, w = 1, . . ., p - 1 |
((p3 - 7p + 6)/12) × |
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(((p - 1)2(p + 2))/4) × |
(((p - 1)2(p + 2))/4) × |
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24m |
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24m |
24m |
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6f; ((p - 1)/2) × 12j; |
p × 8g; |
p × 12h; |
p × 12i; |
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((p - 1)/2) × 12k; |
((p(p2 - 1))/3) × 24m |
((p(p2 - 1))/2) × 24m |
((p(p2 - 1))/2) × 24m |
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((p - 1)/2) × 12l; |
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(((p - 1)2(p + 2))/4) × 24m |
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p × 12j; |
p × 12k(l*); |
p × 12l(k*); |
p3 × 24m |
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((p(p2 - 1))/2) × 24m |
((p(p2 - 1))/2) × 24m |
((p(p2 - 1))/2) × 24m |
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* p = 4n - 1 |