Information card for entry 9000112

Structure parameters

• Mineral name: Portlandite
• Formula: Ca H2 O2
• Calculated formula: Ca H2 O2
• Title of publication: A nuclear magnetic resonance determination of the hydrogen positions in Ca(OH)2 T = -190 C
• Authors of publication: Henderson, D. M.; Gutowsky, H. S.
• Journal of publication: American Mineralogist
• Year of publication: 1962
• Journal volume: 47
• Pages of publication: 1231 - 1251
• a: 3.585 Å
• b: 3.585 Å
• c: 4.871 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 54.216 ų
• Ambient diffraction temperature: 83.15 K
• 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