Information card for entry 1000028

Structure parameters

• Chemical name: Tetrasodium trialuminium tris(silicate) chloride
• Mineral name: Sodalite
• Formula: Al6 Cl2 Na8 O24 Si6
• Calculated formula: Al6 Cl2 Na8 O24 Si6
• Title of publication: The Crystal Structures of Sodalite-Group Minerals
• Authors of publication: Hassan, I.; Grundy, H. D.
• Journal of publication: Acta Crystallographica, Section B: Structural Science
• Year of publication: 1984
• Journal volume: 40
• Journal issue: 1
• Pages of publication: 6 - 13
• a: 8.875 ± 0.001 Å
• b: 8.875 ± 0.001 Å
• c: 8.875 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 699 ± 0.1 ų
• Number of distinct elements: 5
• Space group number: 218
• Hermann-Mauguin space group symbol: P -4 3 n
• Hall space group symbol: P -4n 2 3
• Residual factor for all reflections: 0.017
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No