Electron microscopy
P42/mmc (131) Space Group
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Table 1890. P42/mmc (131) space group.

Name in the International Tables for Crystallography
P42/mmc P
123 4/mmm
Crystal system
Tetragonal (Td) 4/mmm
0 ≤ x ≤ 1/2 and 0 ≤ y ≤ 1/2 and 0 ≤ z ≤ 1/4
Symmetry (atomic coordinates)

X, Y, Z; -X, -Y, Z; -Y, X, 1/2+Z; Y, -X, 1/2+Z; -X, Y, -Z; X, -Y, -Z; Y, X, 1/2-Z; -Y, -X, 1/2-Z; -X, -Y, -Z; X, Y, -Z; Y, -X, 1/2-Z; -Y, X, 1/2-Z; X, -Y, Z; -X, Y, Z; -Y, -X, 1/2+Z; Y, X, 1/2+Z

Crystal examples
PdO, PtO




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