Information card for entry 2212542

Structure parameters

• Chemical name: iron(III) arsenate dihydrate
• Mineral name: Scorodite
• Formula: As Fe H4 O6
• Calculated formula: As Fe H4 O6
• Title of publication: Redetermination of iron(III) arsenate dihydrate
• Authors of publication: Yan Xu; Guang-Peng Zhou; Xue-Fang Zheng
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2007
• Journal volume: 63
• Journal issue: 3
• Pages of publication: i67 - i69
• a: 8.942 ± 0.007 Å
• b: 10.075 ± 0.008 Å
• c: 10.339 ± 0.008 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 931.4 ± 1.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Residual factor for all reflections: 0.0296
• Residual factor for significantly intense reflections: 0.0244
• Weighted residual factors for significantly intense reflections: 0.0572
• Weighted residual factors for all reflections included in the refinement: 0.0593
• Goodness-of-fit parameter for all reflections included in the refinement: 1.116
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes