Information card for entry 2104873

Structure parameters

• Chemical name: Dinickel(II) diarsenate(V)
• Formula: As2 Ni2 O7
• Calculated formula: As2 Ni2 O7
• Title of publication: Crystal chemistry of transition metal diarsenates <i>M</i>~2~As~2~O~7~ (<i>M</i> = Mn, Co, Ni, Zn): variants of the thortveitite structure
• Authors of publication: Weil, Matthias; Stöger, Berthold
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2010
• Journal volume: 66
• Journal issue: 6
• Pages of publication: 603 - 614
• a: 19.497 ± 0.004 Å
• b: 5.297 ± 0.001 Å
• c: 8.868 ± 0.002 Å
• α: 58.32 ± 0.02°
• β: 148.78 ± 0.02°
• γ: 127.3 ± 0.02°
• Cell volume: 377.6 ± 0.3 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 K
• Number of distinct elements: 3
• Space group number: 1
• Hermann-Mauguin space group symbol: P 1
• Hall space group symbol: P 1
• Residual factor for all reflections: 0.0271
• Residual factor for significantly intense reflections: 0.0269
• Weighted residual factors for significantly intense reflections: 0.0316
• Weighted residual factors for all reflections included in the refinement: 0.0317
• Goodness-of-fit parameter for all reflections included in the refinement: 1.76
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes