[script p]211 2 Oblique
No. 2 [script p]211 Patterson symmetry [script p]211

symmetry group diagram

Origin on 2

Asymmetric unit 0 ≤ x1/2

Symmetry operations

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

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

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions

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

Symmetry of special projections

Along [10]   m

Origin at x, 0
Along [01]   [script p]m
a' = ap   
Origin at 0, y

Maximal non-isotypic subgroups


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

Maximal isotypic subgroups of lowest index


IIc[2] [script p]211  (a' = 2a) (2)

Minimal non-isotypic supergroups


I[2] [script p]2mm (6); [2] [script p]2mg (7)
IInone








































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