Information card for entry 1001723

Structure parameters

• Chemical name: Barium hydrogen tantalum oxide hydrate (0.4/1.2/2/6/1)
• Mineral name: Bariomicrolite
• Formula: Ba0.4 H3.2 O7 Ta2
• Calculated formula: Ba0.4 H9.4 O7 Ta2
• Title of publication: Sur de nouveaux pyrochlores lacunaires d'ions bivalents synthetises par echanges d'ions
• Authors of publication: Groult, D; Michel, C; Raveau, B
• Journal of publication: Journal of Inorganic and Nuclear Chemistry
• Year of publication: 1975
• Journal volume: 37
• Pages of publication: 2203 - 2205
• a: 10.589 ± 0.005 Å
• b: 10.589 ± 0.005 Å
• c: 10.589 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1187.3 ų
• Number of distinct elements: 4
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Residual factor for all reflections: 0.059
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No