Information card for entry 1001721

Structure parameters

• Chemical name: Dipotassium trimagnesium diiron closo-30-oxododecasilicate
• Mineral name: Chayesite
• Formula: Fe2 K2 Mg3 O30 Si12
• Calculated formula: Fe1.9999 K2 Mg3.0001 O30 Si12
• Title of publication: Silicates synthetiques a structure milarite
• Authors of publication: Nguyen, N; Choisnet, J; Raveau, B
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1980
• Journal volume: 34
• Pages of publication: 1 - 9
• a: 10.22 Å
• b: 10.22 Å
• c: 14.176 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1282.3 ų
• Number of distinct elements: 5
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Residual factor for all reflections: 0.076
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No