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Axes |
Coordinates |
Wyckoff positions |
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1a |
1b |
3c |
3d |
6e |
6f |
8g |
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12h |
12i |
12j |
24k |
24l |
24m |
48n |
I Maximal translationengleiche subgroups |
[2] P-43m |
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1a |
1b |
3c |
3d |
6f |
6g |
2 × 4e |
(215) |
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12h |
12i |
12i |
24j |
24j |
2 × 12i |
2 × 24j |
[2] P432 |
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1a |
1b |
3c |
3d |
6e |
6f |
8g |
(207) |
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12h |
12i |
12j |
24k |
24k |
24k |
2 × 24k |
[2] Pm-3 |
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1a |
1b |
3c |
3d |
6e |
6h |
8i |
(200) |
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6f; 6g |
12j |
12k |
2 × 12j |
2 × 12k |
24l |
2 × 24l |
[4] R-3m |
(rhombohedral axes) |
1a |
1b |
3e |
3d |
6h |
6h |
2c; 6h |
(166) |
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12i |
6f; 6h |
6g; 6h |
2 × 12i |
2 × 12i |
2 × 6h; 12i |
4 × 12i |
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a - b, b - c, |
(1/3)(2x - y - z), (1/3)(x + y - 2z), |
3a |
3b |
9e |
9d |
18h |
18h |
6c; 18h |
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a + b + c |
(1/3)(x + y + z) |
36i |
18f; 18h |
18g; 18h |
2 × 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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-a + b - c |
(1/3)(-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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a - b - c |
(1/3)(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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-a - b + c |
(1/3)(-x - y + z) |
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(hexagonal axes) |
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[3] P4/mmm |
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1a |
1d |
1c; 2e |
1b; 2f |
2g; 4l |
2h; 4o |
8r |
(123) |
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4i; 4m; 4n |
4j; 8s |
4k; 8t |
8p; 2 × 8s |
8q; 2 × 8t |
8r; 16u |
3 × 16u |
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 |
Enlarged unit cell, non-isomorphic |
[2] Fm-3c |
2a, 2b, 2c |
(1/2)x, (1/2)y, (1/2)z; +((1/2), 0, 0) |
8b |
8a |
24d |
24c |
48e |
48f |
64g |
(226) |
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96i |
96i |
96h |
2 × 96i |
192j |
192j |
2 × 192j |
[2] Fm-3c |
2a, 2b, 2c |
(1/2)x + (1/4), (1/2)y + (1/4), (1/2)z + (1/4); |
8a |
8b |
24c |
24d |
48f |
48e |
64g |
(226) |
|
+((1/2), 0, 0) |
96i |
96h |
96i |
192j |
2 × 96i |
192j |
2 × 192j |
[2] Fm-3m |
2a, 2b, 2c |
(1/2)x, (1/2)y, (1/2)z; +((1/2), 0, 0) |
4a; 4b |
8c |
24d |
24e |
2 × 24e |
48g |
2 × 32f |
(225) |
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96j |
24h; 48i |
96k |
2 × 96j |
192l |
2 × 96k |
2 × 192l |
[2] Fm-3m |
2a, 2b, 2c |
(1/2)x + (1/4), (1/2)y + (1/4), (1/2)z + (1/4); |
8c |
4a; 4b |
24e |
24d |
48g |
2 × 24e |
2 × 32f |
(225) |
|
+((1/2), 0, 0) |
96j |
96k |
48h; 48i |
192l |
2 × 96j |
2 × 96k |
2 × 192l |
[4] Im-3m |
2a, 2b, 2c |
(1/2)x, (1/2)y, (1/2)z; +((1/2), 0, 0); |
2a; 6b |
8c |
24h |
12d; 12e |
2 × 12e; 24g |
48k |
16f; 48k |
(229) |
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+(0, (1/2), 0); +(0, 0, (1/2)) |
2 × 48j |
2 × 24h; 48j |
48i; 48k |
4 × 48j |
2 × 96l |
2 × 48k; 96l |
4 × 96l |
[4] Im-3m |
2a, 2b, 2c |
(1/2)x + (1/4), (1/2)y + (1/4), (1/2)z + (1/4); |
8c |
2a; 6b |
12d; 12e |
24h |
48k |
2 × 12e; 24g |
16f; 48k |
(229) |
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((1/2), 0, 0); +(0, (1/2), 0); |
2 × 48j |
48i; 48k |
2 × 24h; 48j |
2 × 96l |
4 × 48j |
2 × 48k; 96l |
4 × 96l |
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+(0, 0, (1/2)) |
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Axes |
Coordinates |
Wyckoff positions |
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1a |
1b |
3c |
3d |
6e |
6f |
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8g |
12h |
12i |
12j |
24k |
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24l |
24m |
48n |
Enlarged unit cell, isomorphic |
[27] Pm-3m |
3a, 3b, 3c |
(1/3)x, (1/3)y, (1/3)z; |
1a; 6e; 8g; 12i |
1b; 6f; 8g; 12j |
3c; 6f; 12h; 12i; |
3d; 6e; 12h; |
3 × 6e; 3 × 24k; |
3 × 6f; 3 × 24l; |
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±((1/3), 0, 0); |
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24l; 24m |
12j; 24k; 24m |
3 × 24m |
3 × 24m |
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±(0, (1/3), 0); |
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±(0, 0, (1/3)); |
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3 × 8g; 6 × 24m; |
3 × 12h; 3 × 24k; |
3 × 12i; 3 × 24k; |
3 × 12j; 3 × 24l; |
9 × 24k; |
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±(0, (1/3), (1/3)); ±((1/3), 0, (1/3)); |
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48n |
3 × 24l; 3 × 48n |
3 × 24m; |
3 × 24m; |
9 × 48n |
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±((1/3), (1/3), 0); ±(0, (1/3), (2/3)); |
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3 × 48n |
3 × 48n |
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±((1/3), 0, (2/3)); ±((1/3), (2/3), 0); |
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±((1/3), (1/3), (1/3)); ±((1/3), (1/3), (2/3)); |
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9 × 24l; 9 × 48n |
9 × 24m; |
27 × 48n |
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±((1/3), (2/3), (1/3)); ±((2/3), (1/3), (1/3)) |
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9 × 48n |
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[p3] Pm-3m |
pa, pb, pc |
(1/p)x, (1/p)y, (1/p)z; |
1a; ((p - 1)/2) × 6e; |
1b; ((p - 1)/2) × 6f; |
3c; ((p - 1)/2) × 6f; |
3d; ((p - 1)/2) × 6e; |
p × 6e; |
p × 6f; |
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+((u/p), (v/p), (w/p)) |
((p - 1)/2) × 8g; |
((p - 1)/2) × 8g; |
((p - 1)/2) × 12h; |
((p - 1)/2) × 12h; |
((p(p - 1))/2) × 24k; |
((p(p - 1))/2) × 24l; |
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p = prime > 2; |
((p - 1)/2) × 12i; |
((p - 1)/2) × 12j; |
((p - 1)/2) × 12i; |
((p - 1)/2) × 12j; |
((p(p - 1))/2) × 24m; |
((p(p - 1))/2) × 24m; |
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u, v, w = 1, . . ., p - 1 |
(((p - 1)(p - 3))/8) × 24k; |
(((p - 1)(p - 3))/8) × 24l; |
(((p - 1)(p - 3))/8) × 24k; |
(((p - 1)2)/4) × 24k; |
((p(p - 1)(p - 3))/8) × |
((p(p - 1)(p - 3))/8) × |
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(((p - 1)(p - 3))/4) × 24m; |
(((p - 1)(p - 3))/4) × |
(((p - 1)2)/4) × 24l; |
(((p - 1)(p - 3))/8) × 24l; |
48n |
48n |
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(((p - 1)(p - 3)(p - 5))/48) × |
24m; |
(((p - 1)2)/4) × 24m; |
(((p - 1)2)/4) × 24m; |
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48n |
(((p - 1)(p - 3)(p - 5))/48) × |
(((p - 1)2(p - 3))/16) × |
(((p - 1)2(p - 3))/16) × |
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48n |
48n |
48n |
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p × 8g; |
p × 12h; |
p × 12i; |
p × 12j; |
p2 × 24k; |
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p(p - 1) × 24m; |
((p(p - 1))/2) × 24k; |
((p(p - 1))/2) × 24k; |
((p(p - 1))/2) × 24l; |
((p2(p - 1))/2) × 48n |
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((p(p - 1)(p - 2))/6) × |
((p(p - 1))/2) × 24l; |
((p(p - 1))/2) × 24m; |
((p(p - 1))/2) × 24m; |
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48n |
((p(p - 1)2)/4) × 48n |
((p(p - 1)2)/4) × 48n |
((p(p - 1)2)/4) × 48n |
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p2 × 24l; |
p2 × 24m; |
p3 × 48n |
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((p2(p - 1))/2) × 48n |
((p2(p - 1))/2) × 48n |
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