Practical Electron Microscopy and Database

An Online Book, Second Edition by Dr. Yougui Liao (2006)

Practical Electron Microscopy and Database - An Online Book

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

6/mmm Point Group

Table 2998 list all the space groups which have point group of 6/mmm.

Table 2998. All space groups which have point group of 6/mmm.
Space Group Patterson Space Group Number of Symmetry Operators Crystal System Laue Class Lattice Type
Reflection Conditions*
P6/mmm (191) 191 24 Hexagonal 6/mmm P No conditions
P6/mcc (192) 191 24 Hexagonal 6/mmm P 0001: 1 = 2n; hkil: none; hh2hl: 1 = 2n; hh01: 1 = 2n
P63/mcm (193) 191 24 Hexagonal 6/mmm P 0001:1 = 2n; hkil: none; hh2hl: none; hh01: 1 = 2n
P63/mmc (194) 191 24 Hexagonal 6/mmm P 0001:1 = 2n; hkil: none; hh2hl: 1 = 2n; hh01: none
* The conditions for kinematically-allowed reflections.