Information card for entry 7200607

Structure parameters

• Chemical name: hexasilver diauranyl diarsenato tetraarsenate
• Formula: Ag6 As6 O24 U2
• Calculated formula: Ag6 As6 O24 U2
• Title of publication: Novel layered uranyl arsenates, Ag6[(UO2)2(As2O7)(As4O13)] and AI6[(UO2)2(AsO4)2(As2O7)] (AI–Ag and Na): first observation of a linear As4O136− anion and structure type evolution
• Authors of publication: Alekseev, Evgeny V.; Krivovichev, Sergey V.; Depmeier, Wulf
• Journal of publication: Journal of Materials Chemistry
• Year of publication: 2009
• Journal volume: 19
• Journal issue: 17
• Pages of publication: 2583
• a: 8.963 ± 0.001 Å
• b: 27.576 ± 0.001 Å
• c: 9.207 ± 0.001 Å
• α: 90°
• β: 105.04 ± 0.003°
• γ: 90°
• Cell volume: 2197.7 ± 0.4 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0492
• Residual factor for significantly intense reflections: 0.044
• Weighted residual factors for significantly intense reflections: 0.1153
• Weighted residual factors for all reflections included in the refinement: 0.1203
• Goodness-of-fit parameter for all reflections included in the refinement: 1.128
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No