Information card for entry 4501000

Structure parameters

• Common name: barium calcium uranyl arsenate
• Formula: As4 Ba5 Ca O40 U8
• Calculated formula: As4 Ba5 Ca O40 U8
• Title of publication: Structural Complexity of Barium Uranyl Arsenates: Synthesis, Structure, and Topology of Ba4[(UO2)2(As2O7)3], Ba3[(UO2)2(AsO4)2(As2O7)], and Ba5Ca[(UO2)8(AsO4)4O8]
• Authors of publication: Alekseev, Evgeny V.; Krivovichev, Sergey V.; Depmeier, Wulf
• Journal of publication: Crystal Growth & Design
• Year of publication: 2011
• Journal volume: 11
• Journal issue: 7
• Pages of publication: 3295
• a: 12.073 ± 0.001 Å
• b: 12.838 ± 0.001 Å
• c: 13.472 ± 0.001 Å
• α: 90°
• β: 116.969 ± 0.003°
• γ: 90°
• Cell volume: 1861 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0619
• Residual factor for significantly intense reflections: 0.0584
• Weighted residual factors for significantly intense reflections: 0.1149
• Weighted residual factors for all reflections included in the refinement: 0.1169
• Goodness-of-fit parameter for all reflections included in the refinement: 1.333
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No