Information card for entry 1001777

Structure parameters

• Chemical name: Diuranium ditantalate(III)
• Mineral name: Uranmicrolite
• Formula: O7 Ta2 U2
• Calculated formula: O7 Ta2 U2
• Title of publication: Synthese et identification d'un oxyde double de tantale et d'uranium.
• Authors of publication: Gasperin, M
• Journal of publication: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences (1884 - 1965)
• Year of publication: 1956
• Journal volume: 243
• Pages of publication: 1534 - 1536
• a: 10.37 Å
• b: 10.37 Å
• c: 10.37 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1115.2 ų
• Sample thermal history: heating U Ta2 O8 at 1973 K for 30 min
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :1
• Hall space group symbol: F 4d 2 3 -1d
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No