Information card for entry 2236705

Structure parameters

• Common name: Durangite
• Chemical name: Sodium aluminium arsenate fluoride
• Formula: Al0.91 As F0.73 Fe0.09 H0.27 Li0.05 Na0.95 O4.27
• Calculated formula: Al0.91 As F0.73 Fe0.09 Li0.05 Na0.95 O4.27
• Title of publication: Redetermination of durangite, NaAl(AsO~4~)F
• Authors of publication: Downs, Gordon W.; Yang, Betty N.; Thompson, Richard M.; Wenz, Michelle D.; Andrade, Marcelo B.
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2012
• Journal volume: 68
• Journal issue: 11
• Pages of publication: i86 - i87
• a: 6.5789 ± 0.0005 Å
• b: 8.5071 ± 0.0006 Å
• c: 7.0212 ± 0.0005 Å
• α: 90°
• β: 115.447 ± 0.004°
• γ: 90°
• Cell volume: 354.83 ± 0.05 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 8
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0126
• Residual factor for significantly intense reflections: 0.0125
• Weighted residual factors for significantly intense reflections: 0.0325
• Weighted residual factors for all reflections included in the refinement: 0.0326
• Goodness-of-fit parameter for all reflections included in the refinement: 1.104
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes