Information card for entry 1001065

Structure parameters

• Chemical name: Barium silicate germanate *
• Formula: Ba Ge2.5 O9 Si1.5
• Calculated formula: Ba Ge2.5 O9 Si1.5
• Title of publication: Synthese et Evolution Structurale de Nouveaux Silicogermanates Ba Ge (Ge~3-x~ Si~x~) O~9~ de Type Benitoite et de Structure Apparentee
• Authors of publication: Goreaud, M; Choisnet, J; Deschanvres, A; Raveau, B
• Journal of publication: Materials Research Bulletin
• Year of publication: 1973
• Journal volume: 8
• Pages of publication: 1205 - 1214
• a: 6.667 Å
• b: 6.667 Å
• c: 9.703 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 373.5 ų
• Number of distinct elements: 4
• Space group number: 188
• Hermann-Mauguin space group symbol: P -6 c 2
• Hall space group symbol: P -6c 2
• Residual factor for all reflections: 0.113
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No