Information card for entry 3500057

Structure parameters

• Formula: Al2 As2 Cs2 O9
• Calculated formula: Al2 As2 Cs2 O9
• Title of publication: Cs2Al2As2O9 solved ab initio from X-ray powder diffraction data in 1998
• Authors of publication: Lubomir Smrcok; Yvon Laligant; Armel Le Bail
• Journal of publication: Personal communication to COD
• Year of publication: 2016
• a: 7.2333 ± 0.0004 Å
• b: 8.2043 ± 0.0004 Å
• c: 5.0263 ± 0.0002 Å
• α: 107.246 ± 0.002°
• β: 108.268 ± 0.003°
• γ: 95.195 ± 0.003°
• Cell volume: 264.92 ± 0.02 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 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 R(I) for significantly intense reflections: 7.1445
• Method of determination: powder diffraction
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No