Information card for entry 2104874

Structure parameters

• Chemical name: Dizinc(II) diarsenate(V)
• Formula: As2 O7 Zn2
• Calculated formula: As2 O7 Zn2
• 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: 20.5802 ± 0.0003 Å
• b: 8.436 ± 0.0001 Å
• c: 9.618 ± 0.0001 Å
• α: 90°
• β: 106.564 ± 0.0007°
• γ: 90°
• Cell volume: 1600.53 ± 0.03 ų
• Cell temperature: 240 K
• Ambient diffraction temperature: 240 K
• Number of distinct elements: 3
• Space group number: 15
• Hermann-Mauguin space group symbol: I 1 2/c 1
• Hall space group symbol: -I 2yc
• Residual factor for all reflections: 0.0391
• Residual factor for significantly intense reflections: 0.0234
• Weighted residual factors for significantly intense reflections: 0.0295
• Weighted residual factors for all reflections included in the refinement: 0.0322
• Goodness-of-fit parameter for all reflections included in the refinement: 1.23
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes