Wyckoff Positions of Space Groups

Wyckoff Positions of Group 54 (P c c a)

Multiplicity

Wyckoff
letter

Site
symmetry

Coordinates

(x, y, z)	( - x + 1/2, - y, z)	( - x, y, - z + 1/2)	(x + 1/2, - y, - z + 1/2)
( - x, - y, - z)	(x + 1/2, y, - z)	(x, - y, z + 1/2)	( - x + 1/2, y, z + 1/2)

..2

(1/4, 1/2, z)

(3/4, 1/2, - z + 1/2)

(3/4, 1/2, - z)

(1/4, 1/2, z + 1/2)

..2

(1/4, 0, z)

(3/4, 0, - z + 1/2)

(3/4, 0, - z)

(1/4, 0, z + 1/2)

.2.

(0, y, 1/4)

(1/2, - y, 1/4)

(0, - y, 3/4)

(1/2, y, 3/4)

-1

(0, 1/2, 0)

(1/2, 1/2, 0)

(0, 1/2, 1/2)

(1/2, 1/2, 1/2)

-1

(0, 0, 0)

(1/2, 0, 0)

(0, 0, 1/2)

(1/2, 0, 1/2)

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

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