Information card for entry 9017400

Structure parameters

• Formula: Ca2 O9 S2
• Calculated formula: Ca2 O9 S2
• Title of publication: Formation and transformation of five different phases in the CaSO4-H2O system: crystal structure of the subhydrate beta-CaSO4*0.5H2O and soluble anhydrite CaSO4
• Authors of publication: Christensen, A.; Olesen, M.; Cerenius, Y.; Jensen, T.
• Journal of publication: Chemistry of Materials
• Year of publication: 2008
• Journal volume: 20
• Pages of publication: 2124 - 2132
• a: 6.93145 Å
• b: 6.93145 Å
• c: 12.73617 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 529.929 ų
• Number of distinct elements: 3
• Space group number: 144
• Hermann-Mauguin space group symbol: P 31
• Hall space group symbol: P 31
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No