Information card for entry 2008844

Structure parameters

• Common name: nickel arsenate
• Chemical name: nickel arsenate
• Formula: As3 Ni4.35 O12
• Calculated formula: As3 Ni4.356 O12
• Title of publication: Tetragonal Ni~4.35~As~3~O~11.7~(OH)~0.3~
• Authors of publication: Jacques Barbier
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1999
• Journal volume: 55
• Journal issue: 8
• Pages of publication: IUC9900080
• a: 6.781 ± 0.001 Å
• b: 6.781 ± 0.001 Å
• c: 18.835 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 866.1 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 122
• Hermann-Mauguin space group symbol: I -4 2 d
• Hall space group symbol: I -4 2bw
• Residual factor for all reflections: 0.041
• Residual factor for significantly intense reflections: 0.029
• Weighted residual factors for all reflections: 0.055
• Weighted residual factors for significantly intense reflections: 0.051
• Goodness-of-fit parameter for all reflections: 0.896
• Goodness-of-fit parameter for significantly intense reflections: 0.954
• Diffraction radiation wavelength: 0.56086 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No