Electron microscopy
 
P6mm (183) Space Group
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Table 1606. P6mm (183) space group.

Name in the International Tables for Crystallography
P6mm P
191 6mm
Crystal system
Hexagonal 6/mmm
Asymm
0≤x≤2/3 and 0≤y≤1/3 and 0≤z≤1 and x≤(1+y)/2 and y≤x/2
12 Absence of reflections

 

Translation
 
Symmetry (atomic coordinates)
X, Y, Z; -Y, X-Y, Z; Y-X, -X, Z; -X, -Y, Z; Y, Y-X, Z; X-Y, X, Z; -Y, -X, Z; Y-X, Y, Z; X, X-Y, Z; Y, X, Z; X-Y, -Y, Z; -X, Y-X, Z
Characteristics of similar space groups
P622, P6mm, P6m2, and P6/mmm: hexagonal, no glide planes or screw axes.
Crystal examples
 

 

 

 

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