Information card for entry 9006832

Structure parameters

• Mineral name: Portlandite
• Formula: Ca H2 O2
• Calculated formula: Ca H2 O2
• Title of publication: Compression mechanism and amorphization of portlandite, Ca(OH)2: structural refinement under pressure Sample: P = 0.5 GPa
• Authors of publication: Nagai, T.; Ito, T.; Hattori, T.; Yamanaka, T.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 2000
• Journal volume: 27
• Pages of publication: 462 - 466
• a: 3.5682 Å
• b: 3.5682 Å
• c: 4.8625 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 53.615 ų
• Ambient diffracton pressure: 500000 kPa
• Number of distinct elements: 3
• Space group number: 164
• Hermann-Mauguin space group symbol: P -3 m 1
• Hall space group symbol: -P 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No