Portlandite
Nagai T, Ito T, Hattori T, Yamanaka T
Physics and Chemistry of Minerals 27 (2000) 462-466
Compression mechanism and amorphization of portlandite,
Ca(OH)2: structural refinement under pressure
Sample: P = 9.7 GPa
_database_code_amcsd 0008419
3.442 3.442 4.4053 90 90 120 P-3m1
atom   x   y    z Biso
Ca     0   0    0   .5
OH   1/3 2/3 .272  2.2