[script p]-1 -1 Triclinic
No. 2 [script p]-1 Patterson symmetry [script p]-1

symmetry group diagram

Origin at -1

Asymmetric unit 0 ≤ z ≤ 1/2

Symmetry operations

(1)  1
      (1 | 0, 0, 0)
(2)  -1   0, 0, 0
      (-1 | 0, 0, 0)
  

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

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions

 General:
2 c 1
(1) xyz(2) -x-y-z
no conditions
  Special: no extra conditions
1 b  -1 
0, 0, 1/2
1 a  -1 
0, 0, 0

Symmetry of special projections

Along [001]   211

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

Maximal non-isotypic non-enantiomorphic subgroups


I[2] [script p]1 (1)1
IIa none
IIbnone

Maximal isotypic subgroups and enantiomorphic subgroups of lowest index


IIc[2] [script p]-1 (c' = 2c) (2)

Minimal non-isotypic non-enantiomorphic supergroups


I[2] [script p]2/m11 (6); [2] [script p]2/c11 (7); [2] [script p]112/m (11); [2] [script p]1121/m (12); [3] [script p]-3 (45)
IInone








































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