Information card for entry 2104871

Structure parameters

• Chemical name: Dimanganese(II) diarsenate(V)
• Formula: As2 Mn2 O7
• Calculated formula: As2 Mn2 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: 6.7454 ± 0.0008 Å
• b: 8.7561 ± 0.001 Å
• c: 4.8004 ± 0.0007 Å
• α: 90°
• β: 102.723 ± 0.012°
• γ: 90°
• Cell volume: 276.57 ± 0.06 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 K
• Number of distinct elements: 3
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Residual factor for all reflections: 0.0388
• Residual factor for significantly intense reflections: 0.0365
• Weighted residual factors for significantly intense reflections: 0.0446
• Weighted residual factors for all reflections included in the refinement: 0.0447
• Goodness-of-fit parameter for all reflections included in the refinement: 3.26
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes