Information card for entry 2003216

Structure parameters

• Chemical name: aluminium potassium diarsenate
• Formula: Al As2 K O7
• Calculated formula: Al As2 K O7
• Title of publication: KAlAs~2~O~7~
• Authors of publication: Boughzala, Habib; Jouini, Tahar
• Journal of publication: Acta Crystallographica, Section C: Crystal Structure Communications
• Year of publication: 1995
• Journal volume: 51
• Journal issue: 2
• Pages of publication: 179 - 181
• a: 6.192 ± 0.004 Å
• b: 6.297 ± 0.003 Å
• c: 8.106 ± 0.001 Å
• α: 96.6 ± 0.008°
• β: 104.517 ± 0.008°
• γ: 102.864 ± 0.007°
• Cell volume: 293.4 ± 0.2 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0353
• Residual factor for significantly intense reflections: 0.0331
• Weighted residual factors for all reflections: 0.0902
• Weighted residual factors for significantly intense reflections: 0.0879
• Goodness-of-fit parameter for all reflections: 0.537
• Goodness-of-fit parameter for significantly intense reflections: 0.555
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No