Information card for entry 4505378

Structure parameters

• Common name: beta-copper arsenate
• Chemical name: beta-copper(II) pyroarsenate
• 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: 7.0987 ± 0.0003 Å
• b: 8.2777 ± 0.0004 Å
• c: 4.8666 ± 0.0002 Å
• α: 90°
• β: 110.206 ± 0.004°
• γ: 90°
• Cell volume: 268.37 ± 0.02 ų
• Cell temperature: 673 ± 5 K
• Ambient diffraction temperature: 673 ± 5 K
• Number of distinct elements: 3
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Residual factor R(I) for significantly intense reflections: 0.106
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 1.54056 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No