Appendix D

In this appendix, specification of the symmetry group is described

Three-dimensional lattice

TBD

Two-dimensional lattice

NSPG

System

Point group

Space-group symmbol

Space-group number

1001

Oblique

1

p1

1

1002

Oblique

2

p211

2

1003

Rectangular

m

p1m1

3

1004

Rectangular

m

p1g1

4

1005

Rectangular

m

c1m1

5

1006

Rectangular

2mm

p2mm

6

1007

Rectangular

2mm

p2mg

7

1008

Rectangular

2mm

p2gg

8

1009

Rectangular

2mm

c2mm

9

1010

Square

4

p4

10

1011

Square

4mm

p4mm

11

1012

Square

4mm

p4gm

12

1013

Hexagonal

3

p3

13

1014

Hexagonal

3m

p3m1

14

1015

Hexagonal

3m

p31m

15

1016

Hexagonal

6

p6

16

1017

Hexagonal

6mm

p6mm

17

References

        1. Henry and K.Lonsdale Ed. International Tables for X-ray crystallography Vol. I Symmetry groups.