Information card for entry 9013440

Structure parameters

• Mineral name: Omongwaite
• Formula: Ca2.572 H4 Na0.858 O13.442 S3
• Calculated formula: Ca2.572 H2.885 Na0.85775 O13.4425 S3
• Title of publication: Thermal behaviour and crystal structure of sodium-containing hemihydrates of calcium sulfate Note: supercell
• Authors of publication: Freyer, D.; Reck, G.; Bremer, M.; Voigt, W.
• Journal of publication: Monatshefte fur Chemie
• Year of publication: 1999
• Journal volume: 130
• Pages of publication: 1179 - 1193
• a: 24.1781 Å
• b: 13.805 Å
• c: 12.7074 Å
• α: 90°
• β: 90.089°
• γ: 90°
• Cell volume: 4241.45 ų
• Number of distinct elements: 5
• Space group number: 5
• Hermann-Mauguin space group symbol: C 1 2 1
• Hall space group symbol: C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No