Information card for entry 2218402

Structure parameters

• Chemical name: Potassium silver tetraniobium nonaoxide arsenate
• Formula: Ag0.2 As K0.8 Nb4 O13
• Calculated formula: Ag0.204 As K0.802 Nb4 O13
• Title of publication: K~0.8~Ag~0.2~Nb~4~O~9~AsO~4~
• Authors of publication: Ben Amor, Rym; Zid, Mohamed Faouzi; Driss, Ahmed
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2008
• Journal volume: 64
• Journal issue: 6
• Pages of publication: i41
• a: 10.469 ± 0.002 Å
• b: 10.403 ± 0.002 Å
• c: 10.047 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1094.2 ± 0.3 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 5
• Space group number: 63
• Hermann-Mauguin space group symbol: C m c m
• Hall space group symbol: -C 2c 2
• Residual factor for all reflections: 0.0262
• Residual factor for significantly intense reflections: 0.0238
• Weighted residual factors for significantly intense reflections: 0.0659
• Weighted residual factors for all reflections included in the refinement: 0.0669
• Goodness-of-fit parameter for all reflections included in the refinement: 1.129
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes