Wyckoff Positions of Space Groups

Wyckoff Positions of Group 121 (I -4 2 m)

Multiplicity

Wyckoff
letter

Site
symmetry

Coordinates

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

16

j

1

(x, y, z)	( - x, - y, z)	(y, - x, - z)	( - y, x, - z)
( - x, y, - z)	(x, - y, - z)	( - y, - x, z)	(y, x, z)

8

i

..m

(x, x, z)

( - x, - x, z)

(x, - x, - z)

( - x, x, - z)

8

h

2..

(0, 1/2, z)

(1/2, 0, - z)

(0, 1/2, - z)

(1/2, 0, z)

8

g

.2.

(x, 0, 1/2)

( - x, 0, 1/2)

(0, - x, 1/2)

(0, x, 1/2)

8

f

.2.

(x, 0, 0)

( - x, 0, 0)

(0, - x, 0)

(0, x, 0)

4

e

2.m m

(0, 0, z)

(0, 0, - z)

4

d

-4..

(0, 1/2, 1/4)

(0, 1/2, 3/4)

4

c

222 .

(0, 1/2, 0)

(1/2, 0, 0)

2

b

-42m

(0, 0, 1/2)

2

a

-42m

(0, 0, 0)

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

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