Information card for entry 1008281

Structure parameters

• Chemical name: Uranium(IV) tetraniobium oxide
• Formula: Nb2 O6 U0.5
• Calculated formula: Nb2 O6 U0.5
• Title of publication: The structure of the a-cation deficient Perovskite U Nb~4~ O~12~
• Authors of publication: Labeau, M; Grey, I E; Coubert, J C; Chenevas, J; Collomb, A; Guitel, J C
• Journal of publication: Acta Crystallographica B (24,1968-38,1982)
• Year of publication: 1985
• Journal volume: 41
• Pages of publication: 33 - 41
• a: 3.856 Å
• b: 3.856 ± 0.001 Å
• c: 7.796 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 115.9 ų
• Number of distinct elements: 3
• Space group number: 123
• Hermann-Mauguin space group symbol: P 4/m m m
• Hall space group symbol: -P 4 2
• Residual factor for all reflections: 0.063
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No