Table 9.1.4.1

Burzlaff, H.; Zimmermann, H.

doi:10.1107/97809553602060000517

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

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International Tables for Crystallography (2006). Vol. A. ch. 9.1, p. 742

Table 9.1.4.1

H. Burzlaff^a and H. Zimmermann^b ^*

^a Universität Erlangen–Nürnberg, Robert-Koch-Strasse 4a, D-91080 Uttenreuth, Germany, and ^bInstitut für Angewandte Physik, Lehrstuhl für Kristallographie und Strukturphysik, Universität Erlangen–Nürnberg, Bismarckstrasse 10, D-91054 Erlangen, Germany
Correspondence e-mail: helmuth.zimmermann@knot.uni-erlangen.de

Table 9.1.4.1 | top | pdf |
Lattice point-group symmetries

Two dimensions
Lattice point group	2	2mm	4mm	6mm
Crystal family^†	m	o	t	h
Crystal family^†	$[\matrix{m\hbox{onoclinic}\hfill\cr \quad(\hbox{oblique})\hfill\cr}]$	$[\matrix{o\hbox{rthorhombic}\hfill\cr \quad(\hbox{rectangular})\hfill\cr}]$	$[\matrix{t\hbox{etragonal}\hfill\cr \quad(\hbox{square})\hfill\cr}]$	hexagonal

Three dimensions
Lattice point group	$[C_{i} \equiv \bar{1}]$	$[C_{2h} \equiv 2/m]$	$[D_{2h} \equiv mmm]$	$[D_{4h} \equiv 4/mmm]$	$[D_{3d} \equiv \bar{3}m]$	$[D_{6h} \equiv 6/mmm]$	$[O_{h} \equiv m\bar{3}m]$
Crystal family^†	a	m	o	t	h		c
Crystal family^†	$[\matrix{a\hbox{northic}\hfill\cr \quad(\hbox{triclinic})\hfill\cr}]$	monoclinic	orthorhombic	tetragonal	hexagonal		cubic

^†The symbols for crystal families were adopted by the International Union of Crystallography in 1985; cf. de Wolff et al. (1985)