Information card for entry 2239526

Structure parameters

• Common name: Ammonium iron(III) bis(hydrogen arsenate(V)
• Chemical name: Poly[ammonium bis(μ-hydrogen arsenato)ferrate(III)]
• Formula: As2 Fe H6 N O8
• Calculated formula: As2 Fe H6 N O8
• Title of publication: α-NH~4~Fe(HAsO~4~)~2~
• Authors of publication: Ouerfelli, Najoua; Souilem, Amira; Zid, Mohamed Faouzi; Driss, Ahmed
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2014
• Journal volume: 70
• Journal issue: 6
• Pages of publication: i21 - i22
• a: 7.3473 ± 0.0007 Å
• b: 9.1917 ± 0.0008 Å
• c: 9.7504 ± 0.0009 Å
• α: 64.545 ± 0.005°
• β: 70.71 ± 0.007°
• γ: 69.638 ± 0.006°
• Cell volume: 544.55 ± 0.09 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0325
• Residual factor for significantly intense reflections: 0.0268
• Weighted residual factors for significantly intense reflections: 0.0723
• Weighted residual factors for all reflections included in the refinement: 0.0754
• Goodness-of-fit parameter for all reflections included in the refinement: 1.05
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes