Information card for entry 2005854

Structure parameters

• Chemical name: aluminum potassium phospho-arsenate
• Formula: Al2 As1.92 K3 O12 P1.08
• Calculated formula: Al2 As1.925 K3 O12 P1.075
• Title of publication: K~3~Al~2~As~1,92~P~1,08~O~12~
• Authors of publication: Boughzala, H.; Driss, A.; Jouini, T.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1997
• Journal volume: 53
• Journal issue: 1
• Pages of publication: 3 - 5
• a: 8.789 ± 0.004 Å
• b: 17.3 ± 0.007 Å
• c: 8.595 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1306.9 ± 0.9 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 33
• Hermann-Mauguin space group symbol: P n a 21
• Hall space group symbol: P 2c -2n
• Residual factor for all reflections: 0.0923
• Residual factor for significantly intense reflections: 0.0493
• Weighted residual factors for all reflections: 0.0609
• Weighted residual factors for significantly intense reflections: 0.0537
• Goodness-of-fit parameter for all reflections: 1.318
• Goodness-of-fit parameter for significantly intense reflections: 1.462
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No