[script p]2/m11 2/m Monoclinic/Oblique
No. 6 [script p]2/m11 Patterson symmetry [script p]2/m11

symmetry group diagram

Origin at centre (2/m)

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

Symmetry operations

(1)  1   (2)  2   x, 0, 0(3)  -1   0, 0, 0(4)  m   0, y, z

Generators selected (1); t(0, 0, 1); (2); (3)

Positions

Multiplicity, Wyckoff letter,
Site symmetry		 Coordinates Reflection conditions
 General:
4 f 1
(1) x, y, z(2) x, -y, -z(3) -x, -y, -z(4) -x, y, z
no conditions
  Special: no extra conditions
2 e  m 
0, y, z0, -y, -z
2 d  2 
x, 0, 1/2-x, 0, 1/2
2 c  2 
x, 0, 0-x, 0, 0
1 b  2/m 
0, 0, 1/2
1 a  2/m 
0, 0, 0

Symmetry of special projections

Along [001]   2mm

Origin at 0, 0, z 		Along [100]   [script p]211
a' = c   
Origin at x, 0, 0 		Along [010]   [script p]2mm
a' = cp   
Origin at 0, y, 0

Maximal non-isotypic non-enantiomorphic subgroups

I[2] [script p]m11 (4)1; 4
 [2] [script p]211 (3)1; 2
 [2] [script p]-1 (2)1; 3
IIa none
IIb[2] [script p]2/c11 (c' = 2c) (7)

Maximal isotypic subgroups and enantiomorphic subgroups of lowest index

IIc[2] [script p]2/m11 (c' = 2c) (6)

Minimal non-isotypic non-enantiomorphic supergroups

I[2] [script p]mmm (20); [2] [script p]mcm (22); [3] [script p]-31m (51)
IInone








































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