[script p]112/m 2/m Monoclinic/Rectangular
No. 11 [script p]112/m Patterson symmetry [script p]112/m

symmetry group diagram

Origin at centre (2/m)

Asymmetric unit 0 ≤ y; 0 ≤ z ≤ 1/2

Symmetry operations

(1)  1
      (1 | 0, 0, 0)
(2)  2   0, 0, z
      (2z | 0, 0, 0)
(3)  -1   0, 0, 0
      (-1 | 0, 0, 0)
(4)  m   xy, 0
      (mz | 0, 0, 0)

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

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions

 General:
4 f 1
(1) xyz(2) -x-yz(3) -x-y-z(4) xy-z
no conditions
  Special: no extra conditions
2 e  m 
xy1/2-x-y1/2
2 d  m 
xy, 0-x-y, 0
2 c  2 
0, 0, z0, 0, -z
1 b  2/m 
0, 0, 1/2
1 a  2/m 
0, 0, 0

Symmetry of special projections

Along [001]   211

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

Maximal non-isotypic non-enantiomorphic subgroups


I[2] [script p]11m (10)1; 4
 [2] [script p]112 (8)1; 2
 [2] [script p]-1 (2)1; 3
IIa none
IIb[2] [script p]1121/m (c' = 2c) (12)

Maximal isotypic subgroups and enantiomorphic subgroups of lowest index


IIc[2] [script p]112/m (c' = 2c) (11)

Minimal non-isotypic non-enantiomorphic supergroups


I[2] [script p]mmm (20); [2] [script p]ccm (21); [2] [script p]4/m (28); [2] [script p]42/m (29); [3] [script p]6/m (60)
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