Information card for entry 1546291

Structure parameters

• Common name: silica clathrate sII
• Mineral name: chibaite
• Formula: Al0.024 Na0.015 O4 Si1.978
• Calculated formula: C0.277647 O2 T
• Title of publication: New silica clathrate minerals that are isostructural with natural gas hydrates
• Authors of publication: Momma, K.; Ikeda, T.; Nishikubo, K.; Takahashi, N.; Honma, C.; Takada, M.; Furukawa, Y.; Nagase, T.; Kudoh, Y.
• Journal of publication: Nature Communications
• Year of publication: 2011
• Journal volume: 2
• Pages of publication: 1 - 7
• a: 13.7002 ± 0.0002 Å
• b: 13.7002 ± 0.0002 Å
• c: 19.4438 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3649.51 ± 0.11 ų
• Number of distinct elements: 4
• Space group number: 88
• Hermann-Mauguin space group symbol: I 41/a
• Hall space group symbol: -I 4ad
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No