Electron microscopy
 
I212121 (24) space group Space Group
- Practical Electron Microscopy and Database -
- An Online Book -
Microanalysis | EM Book                                                                                   http://www.globalsino.com/EM/        

=================================================================================

 

Table 1661. I212121 (24) space group.

Name in the International Tables for Crystallography
I212121 I
71 222
Crystal system
Orthorhombic mmm
Asymm
0 ≤ x ≤ 1/2 and 0 ≤ y ≤ 1/2 and 0 ≤ z ≤ 1/2
8 Absence of reflections

 

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

 

 

 

=================================================================================