Wyckoff Positions of Group 191 (P 6/m m m)

Multiplicity Wyckoff
letter
Site
symmetry
Coordinates
24r1
(x, y, z) ( - y, x - y, z) ( - x + y, - x, z) ( - x, - y, z)
(y, - x + y, z) (x - y, x, z) (y, x, - z) (x - y, - y, - z)
( - x, - x + y, - z) ( - y, - x, - z) ( - x + y, y, - z) (x, x - y, - z)
( - x, - y, - z) (y, - x + y, - z) (x - y, x, - z) (x, y, - z)
( - y, x - y, - z) ( - x + y, - x, - z) ( - y, - x, z) ( - x + y, y, z)
(x, x - y, z) (y, x, z) (x - y, - y, z) ( - x, - x + y, z)
12qm..
(x, y, 1/2) ( - y, x - y, 1/2) ( - x + y, - x, 1/2) ( - x, - y, 1/2)
(y, - x + y, 1/2) (x - y, x, 1/2) (y, x, 1/2) (x - y, - y, 1/2)
( - x, - x + y, 1/2) ( - y, - x, 1/2) ( - x + y, y, 1/2) (x, x - y, 1/2)
12pm..
(x, y, 0) ( - y, x - y, 0) ( - x + y, - x, 0) ( - x, - y, 0)
(y, - x + y, 0) (x - y, x, 0) (y, x, 0) (x - y, - y, 0)
( - x, - x + y, 0) ( - y, - x, 0) ( - x + y, y, 0) (x, x - y, 0)
12o.m.
(x, 2x, z) ( - 2x, - x, z) (x, - x, z) ( - x, - 2x, z)
(2x, x, z) ( - x, x, z) (2x, x, - z) ( - x, - 2x, - z)
( - x, x, - z) ( - 2x, - x, - z) (x, 2x, - z) (x, - x, - z)
12n..m
(x, 0, z) (0, x, z) ( - x, - x, z) ( - x, 0, z)
(0, - x, z) (x, x, z) (0, x, - z) (x, 0, - z)
( - x, - x, - z) (0, - x, - z) ( - x, 0, - z) (x, x, - z)
6mmm2
(x, 2x, 1/2) ( - 2x, - x, 1/2) (x, - x, 1/2) ( - x, - 2x, 1/2)
(2x, x, 1/2) ( - x, x, 1/2)
6lmm2
(x, 2x, 0) ( - 2x, - x, 0) (x, - x, 0) ( - x, - 2x, 0)
(2x, x, 0) ( - x, x, 0)
6km2m
(x, 0, 1/2) (0, x, 1/2) ( - x, - x, 1/2) ( - x, 0, 1/2)
(0, - x, 1/2) (x, x, 1/2)
6jm2m
(x, 0, 0) (0, x, 0) ( - x, - x, 0) ( - x, 0, 0)
(0, - x, 0) (x, x, 0)
6i2mm
(1/2, 0, z) (0, 1/2, z) (1/2, 1/2, z) (0, 1/2, - z)
(1/2, 0, - z) (1/2, 1/2, - z)
4h3m.
(1/3, 2/3, z) (2/3, 1/3, z) (2/3, 1/3, - z) (1/3, 2/3, - z)
3gmmm
(1/2, 0, 1/2) (0, 1/2, 1/2) (1/2, 1/2, 1/2)
3fmmm
(1/2, 0, 0) (0, 1/2, 0) (1/2, 1/2, 0)
2e6mm
(0, 0, z) (0, 0, - z)
2d-6m2
(1/3, 2/3, 1/2) (2/3, 1/3, 1/2)
2c-6m2
(1/3, 2/3, 0) (2/3, 1/3, 0)
1b6/mmm
(0, 0, 1/2)
1a6/mmm
(0, 0, 0)


If you want to see the Wyckoff position in other setting, click here


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