Electron microscopy
  
Pcca (54) Space Group
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Table 1638. Pcca (54) space group.

Name in the International Tables for Crystallography
 Pcca
Lattice type
 P
Patterson space group
 47
Point group
 mmm
Crystal system
 Orthorhombic
Laue class
 mmm
Asymm
 0 ≤ x ≤ 1/2 and 0 ≤ y ≤ 1/2 and 0 ≤ z ≤ 1/2
Number of symmetry operators
 8 Absence of reflections

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

 

 

 
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