International
Tables for
Crystallography
Volume A
Space-group symmetry
Edited by Th. Hahn

© International Union of Crystallography 2006
International Tables for Crystallography (2006). Vol. A. ch. 10.1, p. 762

Table 10.1.1.1 

Th. Hahna* and H. Klappera‡

a Institut für Kristallographie, Rheinisch-Westfälische Technische Hochschule, Aachen, Germany
Correspondence e-mail:  hahn@xtl.rwth-aachen.de

Table 10.1.1.1 | top | pdf |
The ten two-dimensional crystallographic point groups, arranged according to crystal system

The horizontal rule extending across the columns `Square' and `Hexagonal' separates point groups with different Laue classes within one crystal system.

General symbol Crystal system
Oblique (top)
Rectangular (bottom) 		Square Hexagonal
n 1 2 4 3 6
nmm m 2mm 4mm 3m 6mm