Electron microscopy
  
P6/mcc (192) Space Group
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Table 1595. P6/mcc (192) space group.

Name in the International Tables for Crystallography
 P6/mcc
Lattice type
 P
Patterson space group
 191
Point group
 6/mmm
Crystal system
 Hexagonal
Laue class
 6/mmm
Asymm
 0 ≤ x ≤ 2/3 and 0 ≤ y ≤ 1/2 and 0 ≤ z ≤ 1/4 and x ≤ (1+y)/2 and y ≤ min(1-x,x)
Number of symmetry operators
 24 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,1/2-Z; X-Y,-Y,1/2-Z; -X,Y-X,1/2-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; X,Y,-Z; Y-X,-X,-Z; -Y,X-Y,-Z; -Y,-X,1/2+Z; Y-X,Y,1/2+Z; X,X-Y,1/2+Z; Y,X,1/2+Z; X-Y,-Y,1/2+Z; -X,Y-X,1/2+Z
0001: 1 = 2n; hkil: none; hh2hl: 1 = 2n; hh01: 1 = 2n
Crystal examples

 

 

 
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