P21 C22 2 Monoclinic info
No. 4 P1211 Patterson symmetry P12/m1
UNIQUE AXIS b

symmetry group diagram

Origin on 21

Asymmetric unit 0 ≤ x ≤ 1; 0 ≤ y ≤ 1; 0 ≤ z ≤ 1/2

Symmetry operations

(1)  1   (2)  2(0, 1/2, 0)   0, y, 0  

Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); (2)

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions
 General:
2 a 1
(1) xyz(2) -xy + 1/2-z 
0k0: k = 2n

Symmetry of special projections

Along [001]   p1g1
a' = ap   b' = b   
Origin at 0, 0, z
Along [100]   p11g
a' = b   b' = cp   
Origin at x, 0, 0
Along [010]   p2
a' = c   b' = a   
Origin at 0, y, 0





P21 C22 2 Monoclinic info
No. 4 P1121 Patterson symmetry P112/m
UNIQUE AXIS c

symmetry group diagram

Origin on 21

Asymmetric unit 0 ≤ x ≤ 1/2; 0 ≤ y ≤ 1; 0 ≤ z ≤ 1

Symmetry operations

(1)  1   (2)  2(0, 0, 1/2)   0, 0, z

Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); (2)

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions
 General:
2 a 1
(1) xyz(2) -x-yz + 1/2 
00l: l = 2n

Symmetry of special projections

Along [001]   p2
a' = a   b' = b   
Origin at 0, 0, z
Along [100]   p1g1
a' = bp   b' = c   
Origin at x, 0, 0
Along [010]   p11g
a' = c   b' = ap   
Origin at 0, y, 0








































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