Electron microscopy
P3221 (154) Space Group
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Table 1879. P3221 (154) space group.

Name in the International Tables for Crystallography
P3221 (154) P
164 32
Crystal system
Trigonal -3m
0 ≤ x ≤ 1 and 0 ≤ y ≤ 1 and 0 ≤ z ≤ 1/6
Symmetry (atomic coordinates)
X, Y, Z; -Y, X-Y, Z+2/3; Y-X, -X, Z+1/3; Y, X, -Z; X-Y, -Y, 1/3-Z; -X, Y-X, 2/3-Z
Crystal examples
SiO2 (quartz)






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