Tables for
Volume A
Space-group symmetry
Edited by M. I. Aroyo

International Tables for Crystallography (2016). Vol. A. ch. 1.3, p. 39


B. Souvigniera*

aRadboud University Nijmegen, Faculty of Science, Mathematics and Computing Science, Institute for Mathematics, Astrophysics and Particle Physics, Postbus 9010, 6500 GL Nijmegen, The Netherlands
Correspondence e-mail:

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Crystal systems in three-dimensional space

Crystal systemPoint-group types
Triclinic [\bar{1}], 1
Monoclinic 2/m, m, 2
Orthorhombic mmm, mm2, 222
Tetragonal 4/mmm, [\bar{4}2m], 4mm, 422, 4/m, [\bar{4}], 4
Hexagonal 6/mmm, [\bar{6}2m], 6mm, 622, 6/m, [\bar{6}], 6
Trigonal [\bar{3}m], 3m, 32, [\bar{3}], 3
Cubic [m\bar{3}m], [\bar{4}3m], 432, [m\bar{3}], 23