Information card for entry 1001030

Structure parameters

• Chemical name: Disodium ditantalum oxide
• Formula: Na2 O6 Ta2
• Calculated formula: Na2 O5.998 Ta2
• Title of publication: Sur de nouveaux pyrochlores lacunaires riches en sodium Na~1+a~ Ta~1+a~ W~1-a~ O~6~ synthetises par echange carionique en phase solide
• Authors of publication: Michel, C; Groult, D; Chailleux, J M; Raveau, B
• Journal of publication: Revue de Chimie Minerale
• Year of publication: 1976
• Journal volume: 13
• Pages of publication: 283 - 289
• a: 10.442 ± 0.006 Å
• b: 10.442 ± 0.005 Å
• c: 10.442 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1138.5 ų
• Number of distinct elements: 3
• 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: 0.068
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No