(1) 1 | (2) 2(0, 0, 1/2) 1/4, 0, z | (3) 2(0, 1/2, 0) 0, y, 1/4 | (4) 2(1/2, 0, 0) x, 1/4, 0 |
(5) 3+ x, x, x | (6) 3+ -x + 1/2, x, -x | (7) 3+ x + 1/2, -x - 1/2, -x | (8) 3+ -x, -x + 1/2, x |
(9) 3- x, x, x | (10) 3-(-1/3, 1/3, 1/3) x + 1/6, -x + 1/6, -x | (11) 3-(1/3, 1/3, -1/3) -x + 1/3, -x + 1/6, x | (12) 3-(1/3, -1/3, 1/3) -x - 1/6, x + 1/3, -x |
(13) d(1/4, 1/4, 1/4) x, x, z | (14) d(-1/4, 1/4, 3/4) x + 1/2, -x, z | (15) -4+ 1/2, -1/4, z; 1/2, -1/4, 3/8 | (16) -4- 0, 3/4, z; 0, 3/4, 1/8 |
(17) d(1/4, 1/4, 1/4) x, y, y | (18) -4+ x, 1/2, -1/4; 3/8, 1/2, -1/4 | (19) -4- x, 0, 3/4; 1/8, 0, 3/4 | (20) d(3/4, -1/4, 1/4) x, y + 1/2, -y |
(21) d(1/4, 1/4, 1/4) x, y, x | (22) -4- 3/4, y, 0; 3/4, 1/8, 0 | (23) d(1/4, 3/4, -1/4) -x + 1/2, y, x | (24) -4+ -1/4, y, 1/2; -1/4, 3/8, 1/2 |
(1) t(1/2, 1/2, 1/2) | (2) 2 0, 1/4, z | (3) 2 1/4, y, 0 | (4) 2 x, 0, 1/4 |
(5) 3+(1/2, 1/2, 1/2) x, x, x | (6) 3+(1/6, -1/6, 1/6) -x - 1/6, x + 1/3, -x | (7) 3+(-1/6, 1/6, 1/6) x + 1/6, -x + 1/6, -x | (8) 3+(1/6, 1/6, -1/6) -x + 1/3, -x + 1/6, x |
(9) 3-(1/2, 1/2, 1/2) x, x, x | (10) 3-(1/6, -1/6, -1/6) x + 1/6, -x + 1/6, -x | (11) 3-(-1/6, -1/6, 1/6) -x + 1/3, -x + 1/6, x | (12) 3-(-1/6, 1/6, -1/6) -x - 1/6, x + 1/3, -x |
(13) d(3/4, 3/4, 3/4) x, x, z | (14) d(1/4, -1/4, 1/4) x + 1/2, -x, z | (15) -4+ 1/2, 1/4, z; 1/2, 1/4, 1/8 | (16) -4- 0, 1/4, z; 0, 1/4, 3/8 |
(17) d(3/4, 3/4, 3/4) x, y, y | (18) -4+ x, 1/2, 1/4; 1/8, 1/2, 1/4 | (19) -4- x, 0, 1/4; 3/8, 0, 1/4 | (20) d(1/4, 1/4, -1/4) x, y + 1/2, -y |
(21) d(3/4, 3/4, 3/4) x, y, x | (22) -4- 1/4, y, 0; 1/4, 3/8, 0 | (23) d(-1/4, 1/4, 1/4) -x + 1/2, y, x | (24) -4+ 1/4, y, 1/2; 1/4, 1/8, 1/2 |
Multiplicity, Wyckoff letter, Site symmetry | Coordinates | Reflection conditions |
| (0, 0, 0)+ (1/2, 1/2, 1/2)+ | h, k, l permutable General:
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| (1) x, y, z | (2) -x + 1/2, -y, z + 1/2 | (3) -x, y + 1/2, -z + 1/2 | (4) x + 1/2, -y + 1/2, -z | (5) z, x, y | (6) z + 1/2, -x + 1/2, -y | (7) -z + 1/2, -x, y + 1/2 | (8) -z, x + 1/2, -y + 1/2 | (9) y, z, x | (10) -y, z + 1/2, -x + 1/2 | (11) y + 1/2, -z + 1/2, -x | (12) -y + 1/2, -z, x + 1/2 | (13) y + 1/4, x + 1/4, z + 1/4 | (14) -y + 1/4, -x + 3/4, z + 3/4 | (15) y + 3/4, -x + 1/4, -z + 3/4 | (16) -y + 3/4, x + 3/4, -z + 1/4 | (17) x + 1/4, z + 1/4, y + 1/4 | (18) -x + 3/4, z + 3/4, -y + 1/4 | (19) -x + 1/4, -z + 3/4, y + 3/4 | (20) x + 3/4, -z + 1/4, -y + 3/4 | (21) z + 1/4, y + 1/4, x + 1/4 | (22) z + 3/4, -y + 1/4, -x + 3/4 | (23) -z + 3/4, y + 3/4, -x + 1/4 | (24) -z + 1/4, -y + 3/4, x + 3/4 |
| hkl : h + k + l = 2n 0kl : k + l = 2n hhl : 2h + l = 4n h00 : h = 4n
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| | Special: as above, plus
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| x, 0, 1/4 | -x + 1/2, 0, 3/4 | 1/4, x, 0 | 3/4, -x + 1/2, 0 | 0, 1/4, x | 0, 3/4, -x + 1/2 | 1/4, x + 1/4, 1/2 | 1/4, -x + 3/4, 0 | x + 1/4, 1/2, 1/4 | -x + 3/4, 0, 1/4 | 1/2, 1/4, x + 1/4 | 0, 1/4, -x + 3/4 |
| hkl : h = 2n + 1 or h = 4n
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| x, x, x | -x + 1/2, -x, x + 1/2 | -x, x + 1/2, -x + 1/2 | x + 1/2, -x + 1/2, -x | x + 1/4, x + 1/4, x + 1/4 | -x + 1/4, -x + 3/4, x + 3/4 | x + 3/4, -x + 1/4, -x + 3/4 | -x + 3/4, x + 3/4, -x + 1/4 |
| hkl : h = 2n + 1 or h + k + l = 4n
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| 7/8, 0, 1/4 | 5/8, 0, 3/4 | 1/4, 7/8, 0 | 3/4, 5/8, 0 | 0, 1/4, 7/8 | 0, 3/4, 5/8 |
| hkl : h, k = 2n, h + k + l = 4n or h, k = 2n + 1, l = 4n + 2 or h = 8n, k = 8n + 4 and h + k + l = 4n + 2 or h = 8n + 1 and k = 8n + 3, l = 4n or h = 8n + 1 and k = 8n + 5, l = 4n or h = 8n + 7 and k = 8n + 3, l = 4n or h = 8n + 7 and k = 8n + 5, l = 4n |
| 3/8, 0, 1/4 | 1/8, 0, 3/4 | 1/4, 3/8, 0 | 3/4, 1/8, 0 | 0, 1/4, 3/8 | 0, 3/4, 1/8 |
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