Wyckoff Positions of Group 139 (I 4/m m m)

Multiplicity Wyckoff
letter		 Site
symmetry		 Coordinates
( 0,0,0)+ ( 1/2,1/2,1/2)+
32o1
(x, y, z) ( - x, - y, z) ( - y, x, z) (y, - x, z)
( - x, y, - z) (x, - y, - z) (y, x, - z) ( - y, - x, - z)
( - x, - y, - z) (x, y, - z) (y, - x, - z) ( - y, x, - z)
(x, - y, z) ( - x, y, z) ( - y, - x, z) (y, x, z)
16n.m.
(0, y, z) (0, - y, z) ( - y, 0, z) (y, 0, z)
(0, y, - z) (0, - y, - z) (y, 0, - z) ( - y, 0, - z)
16m..m
(x, x, z) ( - x, - x, z) ( - x, x, z) (x, - x, z)
( - x, x, - z) (x, - x, - z) (x, x, - z) ( - x, - x, - z)
16lm..
(x, y, 0) ( - x, - y, 0) ( - y, x, 0) (y, - x, 0)
( - x, y, 0) (x, - y, 0) (y, x, 0) ( - y, - x, 0)
16k..2
(x, x + 1/2, 1/4) ( - x, - x + 1/2, 1/4) ( - x + 1/2, x, 1/4) (x + 1/2, - x, 1/4)
( - x, - x + 1/2, 3/4) (x, x + 1/2, 3/4) (x + 1/2, - x, 3/4) ( - x + 1/2, x, 3/4)
8jm2m .
(x, 1/2, 0) ( - x, 1/2, 0) (1/2, x, 0) (1/2, - x, 0)
8im2m .
(x, 0, 0) ( - x, 0, 0) (0, x, 0) (0, - x, 0)
8hm.2 m
(x, x, 0) ( - x, - x, 0) ( - x, x, 0) (x, - x, 0)
8g2mm .
(0, 1/2, z) (1/2, 0, z) (0, 1/2, - z) (1/2, 0, - z)
8f..2/m
(1/4, 1/4, 1/4) (3/4, 3/4, 1/4) (3/4, 1/4, 1/4) (1/4, 3/4, 1/4)
4e4mm
(0, 0, z) (0, 0, - z)
4d-4m2
(0, 1/2, 1/4) (1/2, 0, 1/4)
4cmmm .
(0, 1/2, 0) (1/2, 0, 0)
2b4/mmm
(0, 0, 1/2)
2a4/mmm
(0, 0, 0)

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