Wyckoff Positions of Group 72 (I b a m)

Multiplicity Wyckoff
letter		 Site
symmetry		 Coordinates
( 0,0,0)+ ( 1/2,1/2,1/2)+
16k1
(x, y, z) ( - x, - y, z) ( - x + 1/2, y + 1/2, - z) (x + 1/2, - y + 1/2, - z)
( - x, - y, - z) (x, y, - z) (x + 1/2, - y + 1/2, z) ( - x + 1/2, y + 1/2, z)
8j..m
(x, y, 0) ( - x, - y, 0) ( - x + 1/2, y + 1/2, 0) (x + 1/2, - y + 1/2, 0)
8i..2
(0, 1/2, z) (1/2, 0, - z) (0, 1/2, - z) (1/2, 0, z)
8h..2
(0, 0, z) (1/2, 1/2, - z) (0, 0, - z) (1/2, 1/2, z)
8g.2.
(0, y, 1/4) (0, - y, 1/4) (0, - y, 3/4) (0, y, 3/4)
8f2..
(x, 0, 1/4) ( - x, 0, 1/4) ( - x, 0, 3/4) (x, 0, 3/4)
8e-1
(1/4, 1/4, 1/4) (3/4, 3/4, 1/4) (1/4, 3/4, 3/4) (3/4, 1/4, 3/4)
4d..2/m
(1/2, 0, 0) (0, 1/2, 0)
4c..2/m
(0, 0, 0) (1/2, 1/2, 0)
4b222
(1/2, 0, 1/4) (1/2, 0, 3/4)
4a222
(0, 0, 1/4) (0, 0, 3/4)

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