Information card for entry 4505377

Structure parameters

• Common name: Copperpyroarsenate
• Chemical name: Copper(II) diarsenate(V)
• Formula: As2 Cu2 O7
• Calculated formula: As2 Cu2 O7
• Title of publication: The Reversible α →β Phase Transition of Cu2As2O7
• Authors of publication: Weil, Matthias; Lengauer, Christian; Füglein, Ekkehard; Baran, Enrique J.
• Journal of publication: Crystal Growth & Design
• Year of publication: 2004
• Journal volume: 4
• Journal issue: 6
• Pages of publication: 1229
• a: 7.237 ± 0.003 Å
• b: 8.2557 ± 0.0017 Å
• c: 9.78 ± 0.003 Å
• α: 90°
• β: 111.03 ± 0.02°
• γ: 90°
• Cell volume: 545.4 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0287
• Residual factor for significantly intense reflections: 0.0278
• Weighted residual factors for significantly intense reflections: 0.0749
• Weighted residual factors for all reflections included in the refinement: 0.0755
• Goodness-of-fit parameter for all reflections included in the refinement: 1.169
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No