Information card for entry 9016225

Structure parameters

• Mineral name: Cristobalite II
• Formula: O2 Si
• Calculated formula: O16 Si8
• Title of publication: New insights into the high-pressure polymorphism of SiO2 cristobalite Note: P = 4.9 GPa
• Authors of publication: Dera, P.; Lazarz, J. D.; Prakapenka, V. B.; Barkley, M.; Downs, R. T.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 2011
• Journal volume: 38
• Pages of publication: Online - first
• a: 8.011 Å
• b: 4.544 Å
• c: 8.89 Å
• α: 90°
• β: 121°
• γ: 90°
• Cell volume: 277.391 ų
• Number of distinct elements: 2
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No