Information card for entry 2229148

Structure parameters

• Chemical name: Potassium sodium silver tetraniobium nonaoxide arsenate
• Formula: Ag0.34 As K0.12 Na0.54 Nb4 O13
• Calculated formula: Ag0.346 As K0.118 Na0.536 Nb4 O13
• Title of publication: K~0.12~Na~0.54~Ag~0.34~Nb~4~O~9~AsO~4~
• Authors of publication: Chérif, Saïda Fatma; Zid, Mohamed Faouzi; Driss, Ahmed
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2011
• Journal volume: 67
• Journal issue: 2
• Pages of publication: i10
• a: 10.412 ± 0.002 Å
• b: 10.452 ± 0.002 Å
• c: 10.009 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1089.2 ± 0.5 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 6
• 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: 0.0143
• Residual factor for significantly intense reflections: 0.0134
• Weighted residual factors for significantly intense reflections: 0.0343
• Weighted residual factors for all reflections included in the refinement: 0.0347
• Goodness-of-fit parameter for all reflections included in the refinement: 1.139
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes