Portlandite
Iizuka R, Yagi T, Komatsu K, Gotou H, Tsuchiya T, Kusaba K, Kagi H
American Mineralogist 98 (2013) 1421-1428
Crystal structure of the high-pressure phase of calcium hydroxide, portlandite:
In situ powder and single crystal X-ray diffraction study
Note: P = 8.9 GPa
Locality: synthetic
_database_code_amcsd 0020244
5.8882 6.8408 8.9334 90 104.798 90 I2
atom    x     y     z  Uiso
Ca1  .208     0 .1980 .0078
Ca2  .710  .736 .1683 .0078
OH1  .390  .267  .137  .026
OH2  .727  .587  .407  .026
OH3  .560 -.032  .367  .026
OH4  .316  .744  .079  .026