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Axes |
Coordinates |
Wyckoff positions |
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origin 1 |
origin 2 |
8a |
8b |
16c |
16d |
16e |
16f |
16g |
32h |
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I Maximal translationengleiche subgroups |
[2] F2dd (43) |
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x, y + (1/8), z + (1/8) |
8a |
8a |
16b |
16b |
2 × 8a |
16b |
16b |
2 × 16b |
Fdd2 |
b, c, a |
y, z, x |
y + (1/8), z + (1/8), x |
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[2] Fd2d (43) |
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x + (1/8), y, z + (1/8) |
8a |
8a |
16b |
16b |
16b |
2 × 8a |
16b |
2 × 16b |
Fdd2 |
c, a, b |
z, x, y |
z + (1/8), x + (1/8), y |
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[2] Fdd2 (43) |
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x + (1/8), y + (1/8), z |
8a |
8a |
16b |
16b |
16b |
16b |
2 × 8a |
2 × 16b |
[2] F222 (22) |
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x + (1/8), y + (1/8), z + (1/8) |
4a; 4c |
4b; 4d |
16k |
16k |
8e; 8j |
8f; 8i |
8g; 8h |
2 × 16k |
[2] C2/c11 (15) |
-a, b, -(1/2)(b + c) |
-x + (1/8), y - z, -2z + (1/4) |
-x, y - z, -2z |
4e |
4e |
4a; 4c |
4b; 4d |
2 × 4e |
8f |
8f |
2 × 8f |
C12/c1 |
b, a, -(1/2)(b + c) |
y - z, x - (1/8), -2z + (1/4) |
y - z, x, -2z |
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[2] C12/c1 (15) |
a, -b, -(1/2)(a + c) |
x - z, -y + (1/8), -2z + (1/4) |
x - z, -y, -2z |
4e |
4e |
4a; 4d |
4b; 4c |
8f |
2 × 4e |
8f |
2 × 8f |
[2] A112/a (15) |
-(1/2)(a + b), b, -c |
-2x + (1/4), -x + y, -z + (1/8) |
-2x, -x + y, -z |
4e |
4e |
4a; 4d |
4b; 4c |
8f |
8f |
2 × 4e |
2 × 8f |
Enlarged unit cell, isomorphic |
[3] Fddd |
3a, b, c |
(1/3)x - (1/4), y + (1/4), z + (1/4); |
(1/3)x, y + (1/4), z + (1/4); |
8b; 16e |
8a; 16e |
16c; 32h |
16d; 32h |
3 × 16e |
16f; 32h |
16g; 32h |
3 × 32h |
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±((1/3), 0, 0) |
±((1/3), 0, 0) |
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[p] Fddd |
pa, b, c |
(1/p)x, y, z; +((u/p), 0, 0) |
(1/p)x, y, z; +((u/p), 0, 0) |
8a(b*); |
8b(a*); |
16c(d† ); |
16d(c† ); |
p × 16e |
16f; |
16g; |
p × 32h |
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p = prime = 4n + 1; u = 1, . . ., p - 1 |
((p - 1)/2) × 16e |
((p - 1)/2) × 16e |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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[p] Fddd |
pa, b, c |
(1/p)x - (1/4), y + (1/4), z + (1/4); |
(1/p)x, y + (1/4), z + (1/4); |
8b(a‡ ); |
8a(b‡ ); |
16c(d§ ); |
16d(c§ ); |
p × 16e |
16f; |
16g; |
p × 32h |
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+((u/p), 0, 0) |
+((u/p), 0, 0) |
((p - 1)/2) × 16e |
((p - 1)/2) × 16e |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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p = prime = 4n - 1; u = 1, . . ., p - 1 |
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[3] Fddd |
a, 3b, c |
x + (1/4), (1/3)y - (1/4), z + (1/4); |
x + (1/4), (1/3)y, z + (1/4); |
8b; 16f |
8a; 16f |
16c; 32h |
16d; 32h |
16e; 32h |
3 × 16f |
16g; 32h |
3 × 32h |
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±(0, (1/3), 0) |
±(0, (1/3), 0) |
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[p] Fddd |
a, pb, c |
x, (1/p)y, z; +(0, (u/p), 0) |
x, (1/p) y, z; +(0, (u/p), 0) |
8a(b*); |
8b(a*); |
16c(d† ); |
16d(c† ); |
16e; |
p × 16f |
16g; |
p × 32h |
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p = prime = 4n + 1; u = 1, . . ., p - 1 |
((p - 1)/2) × 16f |
((p - 1)/2) × 16f |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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((p - 1)/2) × 32h |
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[p] Fddd |
a, pb, c |
x + (1/4), (1/p) y - (1/4), z + (1/4); |
x + (1/4), (1/p) y, z + (1/4); |
8b(a‡ ); |
8a(b‡ ); |
16c(d§ ); |
16d(c§ ); |
16e; |
p × 16f |
16g; |
p × 32h |
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+(0, (u/p), 0) |
+(0, (u/p), 0) |
((p - 1)/2) × 16f |
((p - 1)/2) × 16f |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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((p - 1)/2) × 32h |
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p = prime = 4n - 1; u = 1, . . ., p - 1 |
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[3] Fddd |
a, b, 3c |
x + (1/4), y + (1/4), (1/3)z - (1/4); |
x + (1/4), y + (1/4), (1/3)z; |
8b; 16g |
8a; 16g |
16c; 32h |
16d; 32h |
16e; 32h |
16f; 32h |
3 × 16g |
3 × 32h |
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±(0, 0, (1/3)) |
±(0, 0, (1/3)) |
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[p] Fddd |
a, b, pc |
x, y, (1/p)z; +(0, 0, (u/p)) |
x, y, (1/p)z; +(0, 0, (u/p)) |
8a(b*); |
8b(a*); |
16c(d† ); |
16d(c† ); |
16e |
16f; |
p × 16g |
p × 32h |
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p = prime = 4n + 1; u = 1, . . ., p - 1 |
((p - 1)/2) × 16g |
((p - 1)/2) × 16g |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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[p] Fddd |
a, b, pc |
x + (1/4), y + (1/4), (1/p) z - (1/4); |
x + (1/4), y + (1/4), (1/p) z; |
8b(a‡ ); |
8a(b‡ ); |
16c(d§ ); |
16d(c§ ); |
16e; |
16f; |
p × 16g |
p × 32h |
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+((u/p), 0, 0) |
+((u/p), 0, 0) |
((p - 1)/2) × 16g |
((p - 1)/2) × 16g |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
((p - 1)/2) × 32h |
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p = prime = 4n - 1; u = 1, . . ., p - 1 |
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* origin 2 and p = 8n + 5 |
† origin 1 and p = 8n + 5 |
‡ origin 2 and p = 8n + 7 |
§ origin 1 and p = 8n + 7 |