Pmna (53) space group

Pmna (53) Space Group
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Table 1639. Pmna (53) space group.

Name in the International Tables for Crystallography	Pmna	Lattice type	P
Patterson space group	47	Point group	mmm
Crystal system	Orthorhombic	Laue class	mmm
Asymm	0 ≤ x ≤ 1/2 and 0 ≤ y ≤ 1 and 0 ≤ z ≤ 1/4
Number of symmetry operators	8	Absence of reflections
Translation
Symmetry (atomic coordinates)	X, Y, Z; 1/2-X, -Y, 1/2+Z; 1/2-X, Y, 1/2-Z; X, -Y, -Z; -X, -Y, -Z; 1/2+X, Y, 1/2-Z; 1/2+X, -Y, 1/2+Z; -X, Y, Z
Crystal examples

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