Information card for entry 2238938

Structure parameters

• Common name: Sr2As2O7
• Chemical name: Strontium diarsenate
• Formula: As2 O7 Sr2
• Calculated formula: As2 O7 Sr2
• Title of publication: The <i>P</i>4~3~ enantiomorph of Sr~2~As~2~O~7~
• Authors of publication: Mbarek, Aicha; Edhokkar, Fadhila
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2013
• Journal volume: 69
• Journal issue: 12
• Pages of publication: i84
• a: 7.1089 ± 0.0001 Å
• b: 7.1089 ± 0.0001 Å
• c: 25.616 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1294.54 ± 0.03 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 3
• Space group number: 78
• Hermann-Mauguin space group symbol: P 43
• Hall space group symbol: P 4cw
• Residual factor for all reflections: 0.0254
• Residual factor for significantly intense reflections: 0.0218
• Weighted residual factors for significantly intense reflections: 0.0427
• Weighted residual factors for all reflections included in the refinement: 0.0437
• Goodness-of-fit parameter for all reflections included in the refinement: 1.014
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No