Information card for entry 1001160

Structure parameters

• Chemical name: Barium tantalum oxide (5.5/21.8/60)
• Formula: Ba5.5 O60 Ta21.8
• Calculated formula: Ba5.5 O60 Ta21.8
• Title of publication: Structure cristalline du bronze de tungstene: Ba O (Ta~2~ O~5~)~2~
• Authors of publication: Gasperin, M
• Journal of publication: Bulletin de la Societe Francaise de Mineralogie et de Cristallographie (72,1949-100,1977)
• Year of publication: 1967
• Journal volume: 90
• Pages of publication: 172 - 175
• a: 17.6 ± 0.05 Å
• b: 17.6 ± 0.05 Å
• c: 3.905 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1209.6 ų
• Number of distinct elements: 3
• Space group number: 75
• Hermann-Mauguin space group symbol: P 4
• Hall space group symbol: P 4
• Residual factor for all reflections: 0.22
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No