p1 1 Triclinic/Oblique
No. 1 p1 Patterson symmetry p-1

symmetry group diagram

Origin arbitrary

Asymmetric unit 0 ≤ x ≤ 1; 0 ≤ y ≤ 1

Symmetry operations

(1)  1
      (1 | 0, 0, 0)
     

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

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions

  General:
1 a 1
(1) xyz
no conditions

Symmetry of special projections

Along [001]   p1
a' = ap   b' = bp   
Origin at 0, 0, z
Along [100]   [script p]111
a' = bp   
Origin at x, 0, 0
Along [010]   [script p]111
a' = ap   
Origin at 0, y, 0

Maximal non-isotypic subgroups


I none
IIa none
IIb none

Maximal isotypic subgroups of lowest index


IIc [2] p1 (a' = 2a or b' = 2b or a' = a + b, b' = -a + b) (1)

Minimal non-isotypic supergroups


I [2] p-1 (2); [2] p112 (3); [2] p11m (4); [2] p11a (5); [2] p211 (8); [2] p2111 (9); [2] c211 (10); [2] pm11 (11); [2] pb11 (12); [2] cm11 (13); [3] p3 (65)
II none








































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