Electron microscopy
 
P-31c (163) Space Group
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Table 1520. P-31c (163) space group.

Name in the International Tables for Crystallography
P-31c P
162 -3m
Crystal system
Trigonal -3m
Asymm
0 ≤ x ≤ 2/3 and 0 ≤ y ≤ 2/3 and 0 ≤ z ≤ 1/4 and x ≤ (1+y)/2 and y ≤ min(1-x, (1+x)/2)
12 Absence of reflections

 

Translation
 
Symmetry (atomic coordinates)
X, Y, Z; -Y, X-Y, Z; Y-X, -X, Z; -Y, -X, 1/2-Z; Y-X, Y, 1/2-Z; X, X-Y, 1/2-Z; -X, -Y, -Z; Y, Y-X, -Z; X-Y, X, -Z; Y, X, 1/2+Z; X-Y, -Y, 1/2+Z; -X, Y-X, 1/2+Z
Crystal examples
 

 

 

 

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