Information card for entry 1008781

Structure parameters

• Chemical name: Calcium hydroxide
• Mineral name: Portlandite
• Formula: Ca H2 O2
• Calculated formula: Ca H2 O2
• Title of publication: Neutron diffraction study of calcium hydroxide
• Authors of publication: Busing, W R; Levy, H A
• Journal of publication: Journal of Chemical Physics
• Year of publication: 1957
• Journal volume: 26
• Pages of publication: 563 - 568
• a: 3.5918 ± 0.0003 Å
• b: 3.5918 ± 0.0003 Å
• c: 4.9063 ± 0.0007 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 54.8 ų
• 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"
• Residual factor for all reflections: 0.048
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No