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Axes |
Coordinates |
Wyckoff positions |
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2a |
6b |
8c |
12d |
12e |
16f |
24g |
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24h |
48i |
48j |
48k |
96l |
I Maximal translationengleiche subgroups |
[2] I-43m |
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2a |
6b |
8c |
12d |
12e |
2 × 8c |
24f |
(217) |
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24g |
48h |
48h |
2 × 24g |
2 × 48h |
[2] I432 |
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2a |
6b |
8c |
12d |
12e |
16f |
24g |
(211) |
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24h |
2 × 24i |
48j |
48j |
2 × 48j |
[2] Im-3 |
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2a |
6b |
8c |
12e |
12d |
16f |
2 × 12e |
(204) |
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24g |
48h |
2 × 24g |
48h |
2 × 48h |
[4] R-3m |
(1/2)(-a + b + c), |
y + z, x + z, x + y |
1a |
3e |
1b; 3d |
6g |
6h |
2c; 6h |
12i |
(166) |
(1/2)(a - b + c), |
(rhombohedral |
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6f; 6h |
2 × 6g; 12i |
2 × 12i |
2 × 6h; 12i |
4 × 12i |
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(1/2)(a + b - c) |
axes) |
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-a + b, -b + c, |
(1/3)(-2x + y + z), (1/3)(-x - y + 2z), |
3a |
9e |
3b; 9d |
18g |
18h |
6c; 18h |
36i |
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(1/2)(a + b + c) |
(2/3)(x + y + z) |
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18f; 18h |
2 × 18g; 36i |
2 × 36i |
2 × 18h; 36i |
4 × 36i |
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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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(1/2)(-a + b - c) |
(2/3)(-x + y - z) |
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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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(1/2)(a - b - c) |
(2/3)(x - y - z) |
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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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(1/2)(-a - b + c) |
(2/3)(-x - y + z) |
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(hexagonal axes) |
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[3] I4/mmm |
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2a |
2b; 4c |
8f |
4d; 8j |
4e; 8i |
16m |
8g; 2 × 8j |
(139) |
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8h; 16n |
16k; 32o |
16l; 2 × 16n |
16m; 32o |
3 × 32o |
conjugate: |
b, c, a |
y, z, x |
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conjugate: |
c, a, b |
z, x, y |
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II Maximal klassengleiche subgroups |
Loss of centring translations |
[2] Pn-3m |
|
origin 1: x, y, z |
2a |
6d |
4b; 4c |
12f |
12g |
2 × 8e |
24h |
(224) |
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origin 2: x + (1/4), y + (1/4), z + (1/4) |
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24k |
24i; 24j |
48l |
2 × 24k |
2 × 48l |
[2] Pm-3n |
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2a |
6b |
8e |
6c; 6d |
12f |
16i |
12g; 12h |
(223) |
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24k |
2 × 24j |
2 × 24k |
48l |
2 × 48l |
[2] Pn-3n |
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origin 1: x, y, z |
2a |
6b |
8c |
12d |
12e |
16f |
24g |
(222) |
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origin 2: x + (1/4), y + (1/4), z + (1/4) |
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24h |
48i |
48i |
48i |
2 × 48i |
[2] Pm-3m |
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1a; 1b |
3c; 3d |
8g |
12h |
6e; 6f |
2 × 8g |
2 × 12h |
(221) |
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12i; 12j |
48n |
24k; 24l |
2 × 24m |
2 × 48n |
Enlarged unit cell, isomorphic |
[27] Im-3m |
3a, 3b, 3c |
(1/3)x, (1/3)y, (1/3)z; ±((1/3), 0, 0); |
2a; 12e; |
6b; 12e; |
8c; 16f; |
12d; 24g; 48i |
3 × 12e; |
3 × 16f; |
3 × 24g; |
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±(0, (1/3), 0); ±(0, 0, (1/3)); |
16f; 24h |
24g; 24h; |
48i; |
3 × 48j; 96l |
3 × 48j; |
6 × 48k; 96l |
6 × 48j; |
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±(0, (1/3), (1/3)); ±((1/3), 0, (1/3)); |
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48j; 48k |
3 × 48k |
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3 × 48k |
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3 × 96l |
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±((1/3), (1/3), 0); ±((1/3), 0, (2/3)); |
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±((1/3), (2/3), 0); ±(0, (1/3), (2/3)); |
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3 × 24h; |
3 × 48i; |
9 × 48j; |
9 × 48k; |
27 × 96l |
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±((1/3), (1/3), (1/3)); ±((2/3), (1/3), (1/3)); |
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3 × 48j; |
12 × 96l |
9 × 96l |
9 × 96l |
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±((1/3), (2/3), (1/3)); ±((1/3), (1/3), (2/3)) |
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3 × 48k; |
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3 × 96l |
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Axes |
Coordinates |
Wyckoff positions |
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2a |
6b |
8c |
12d |
12e |
16f |
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24g |
24h |
48i |
48j |
48k |
96l |
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[p3] Im-3m |
pa, pb, pc |
(1/p)x, (1/p)y, (1/p)z; |
2a; ((p - 1)/2) × 12e; |
6b; ((p - 1)/2) × 12e; |
8c; ((p - 1)/2) × 16f; |
12d; ((p - 1)/2) × 24g; |
p × 12e; |
p × 16f; |
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+((u/p), (v/p), (w/p)) |
((p - 1)/2) × 16f; |
((p - 1)/2) × 24g; |
((p - 1)/2) × 48i; |
((p - 1)/2) × 48i; |
((p(p - 1))/2) × 48j; |
p(p - 1) × 48k; |
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p = prime > 2; |
((p - 1)/2) × 24h; |
((p - 1)/2) × 24h; |
((p(p - 1))/2) × 48k; |
((p(p - 1))/2) × 48j; |
((p(p - 1))/2) × 48k; |
((p(p - 1)(p - 2))/6) × 96l |
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u, v, w = 1, . . ., p - 1 |
(((p - 1)(p - 3))/8) × 48j; |
(((p - 1)(3p - 5))/8) × 48j; |
(((p2 - 1)(p - 3))/12) × 96l |
(((p2 - 1)(p - 2))/8) × 96l |
((p(p - 1)(p - 3))/8) × 96l |
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(((p - 1)(p - 3))/4) × 48k; |
(((p - 1)2)/4) × 48k; |
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(((p - 1)(p - 3)(p - 5))/48) × |
(((p - 1)2(p - 3))/16) × 96l |
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96l |
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p × 24g; |
p × 24h; |
p × 48i; |
p2 × 48j; |
p2 × 48k; |
p3 × 96l |
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p(p - 1) × 48j; |
((p(p - 1))/2) × 48j; |
((p(p2 - 1))/2) × 96l |
((p2(p - 1))/2) × 96l |
((p2(p - 1))/2) × 96l |
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((p(p - 1)2)/4) × 96l |
((p(p - 1))/2) × 48k; |
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((p(p - 1)2)/4) × 96l |
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