Information card for entry 9017313

Structure parameters

• Mineral name: Gypsum
• Formula: Ca H4 O6 S
• Calculated formula: Ca H4 O6 S
• Title of publication: Neutron diffraction refinement of the structure of gypsum, CaSO4*2H2O
• Authors of publication: Pedersen, B. F.; Semmingsen, D.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1982
• Journal volume: 38
• Pages of publication: 1074 - 1077
• a: 5.679 Å
• b: 15.202 Å
• c: 6.522 Å
• α: 90°
• β: 118.43°
• γ: 90°
• Cell volume: 495.153 ų
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: I 1 2/c 1
• Hall space group symbol: -I 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No