p3 3 Hexagonalinfo
No. 13 p3 Patterson symmetry p6

symmetry group diagram

Origin at 3

Asymmetric unit 0 ≤ x ≤ 2/3; 0 ≤ y ≤ 2/3; x ≤ (1 + y)/2; y ≤ min(1 - x, (1 + x)/2)
Vertices
0, 0  1/2, 0  2/31/3  1/32/3  0, 1/2  

Symmetry operations

(1)  1   (2)  3+   0, 0(3)  3-   0, 0 

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

Positions

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates Reflection conditions

 General:
3 d 1
(1) xy(2) -yx - y(3) -x + y-x
no conditions
    Special: as above, plus
1 c  3 . . 
2/31/3
no extra conditions
1 b  3 . . 
1/32/3
no extra conditions
1 a  3 . . 
0, 0
no extra conditions








































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