P-6m2 (187) space group

P-6m2 (187) Space Group
- Practical Electron Microscopy and Database -
- An Online Book -

Microanalysis | EM Book http://www.globalsino.com/EM/

=================================================================================

Table 1505. P-6m2 (187) space group.

Name in the International Tables for Crystallography	P-6m2	Lattice type	P
Patterson space group	191	Point group	-62m
Crystal system	Hexagonal	Laue class	6/mmm
Asymm	0 ≤ x ≤ 2/3 and 0 ≤ y ≤ 2/3 and 0 ≤ z ≤ 1/2 and x ≤ 2 y and y ≤ min(1-x, 2 x)
Number of symmetry operators	12	Absence of reflections
Translation
Symmetry (atomic coordinates)	X, Y, Z; -Y, X-Y, Z; Y-X, -X, Z; X, Y, -Z; -Y, X-Y, -Z; Y-X, -X, -Z; -Y, -X, Z; Y-X, Y, Z; X, X-Y, Z; -Y, -X, -Z; Y-X, Y, -Z; X, X-Y, -Z
Crystal examples	MoS₂,
Remarks	P-6m2 and P-62m represent two different space groups.

=================================================================================