Fmm2 (42) space group

Fmm2 (42) Space Group
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Table 1648. Fmm2 (42) space group.

Name in the International Tables for Crystallography	Fmm2	Lattice type	F
Patterson space group	69	Point group	mm2
Crystal system	Orthorhombic	Laue class	mmm
Asymm	0 ≤ x ≤ 1/4 and 0 ≤ y ≤ 1/4 and 0 ≤ z ≤ 1
Number of symmetry operators	16	Absence of reflections
Translation
Symmetry (atomic coordinates)	X, Y, Z; -X, -Y, Z; X, -Y, Z; -X, Y, Z; X, 1/2+Y, 1/2+Z; -X, 1/2-Y, 1/2+Z; X, 1/2-Y, 1/2+Z; -X, 1/2+Y, 1/2+Z; 1/2+X, Y, 1/2+Z; 1/2-X, -Y, 1/2+Z; 1/2+X, -Y, 1/2+Z; 1/2-X, Y, 1/2+Z; 1/2+X, 1/2+Y, Z; 1/2-X, 1/2-Y, Z; 1/2+X, 1/2-Y, Z; 1/2-X, 1/2+Y, Z
Crystal examples

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