Information card for entry 1534205

Structure parameters

• Chemical name: Ba Ca2 Al6 Si9 O30 (H2 O)2
• Formula: Al6 Ba Ca2 H4 O32 Si9
• Calculated formula: Al6 Ba Ca2 O32 Si9
• Title of publication: Crystal Structures of Milarite, Armenite, and Sogdianite
• Authors of publication: Bakakin, V.V.; Balko, V.P.; Solov'eva, L.P.
• Journal of publication: Kristallografiya
• Year of publication: 1974
• Journal volume: 19
• Pages of publication: 741 - 745
• a: 10.69 Å
• b: 10.69 Å
• c: 13.9 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1375.63 ų
• Number of distinct elements: 6
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No