Information card for entry 3000025

Structure parameters

• Formula: Al3 As4 K1.34 Na1.66 O16
• Title of publication: The aluminoarsenate Na~1.66~K~1.34~Al~3~(AsO~4~)~4~
• Authors of publication: Alem Bouhassine; Habib Boughzala
• Journal of publication: To be published in Acta Cryst. Section E
• a: 10.493 ± 0.001 Å
• b: 20.395 ± 0.004 Å
• c: 6.335 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1355.7 ± 0.9 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Hermann-Mauguin space group symbol: C m c a
• Hall space group symbol: -C 2ac 2
• Residual factor for all reflections: 0.0407
• Residual factor for significantly intense reflections: 0.0377
• Weighted residual factors for significantly intense reflections: 0.1093
• Weighted residual factors for all reflections included in the refinement: 0.1116
• Goodness-of-fit parameter for all reflections included in the refinement: 1.153
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: No
• Has disorder: No
• Has Fobs: No