Electron microscopy
P4/nmm (129) Space Group
- Practical Electron Microscopy and Database -
- An Online Book -
Microanalysis | EM Book                                                                                   https://www.globalsino.com/EM/        

This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.


Table 1889. P4/nmm (129) space group.

Name in the International Tables for Crystallography
P4/nmm P
123 4/mmm
Crystal system
Tetragonal 4/mmm
0 ≤ x ≤ 1/2 and 0 ≤ y ≤ 1/2 and 0 ≤ z ≤ 1/2 and y ≤ 1/2-x
Symmetry (atomic coordinates)
X, Y, Z; -X, -Y, Z; 1/2-Y, 1/2+X, Z; 1/2+Y, 1/2-X, Z; 1/2-X, 1/2+Y, -Z; 1/2+X, 1/2-Y, -Z; Y, X, -Z; -Y, -X, -Z; 1/2-X, 1/2-Y, -Z; 1/2+X, 1/2+Y, -Z; Y, -X, -Z; -Y, X, -Z; X, -Y, Z; -X, Y, Z; 1/2-Y, 1/2-X, Z; 1/2+Y, 1/2+X, Z
Crystal examples
SnO, α-PbO




The book author (Yougui Liao) welcomes your comments, suggestions, and corrections, please click here for submission. If you let book author know once you have cited this book, the brief information of your publication will appear on the “Times Cited” page.