Information card for entry 1559450

Structure parameters

• Common name: Al2Y4O9
• Formula: Al2 O9 Y4
• Calculated formula: Al2 O9 Y4
• Title of publication: A Comparison of Three Sets of Diffraction Data for Al2Y4O9: X-Ray Synchrotron Powder Data, X-Ray Single Crystal Data from Ag Kalpha Radiation, and Neutron Single Crystal Data from 1.01 A Neutrons
• Authors of publication: Christensen, A. Norlund; Hazell, R. G.
• Journal of publication: Acta Chemica Scandinavica
• Year of publication: 1991
• Journal volume: 45
• Pages of publication: 226 - 230
• a: 7.375 ± 0.001 Å
• b: 10.507 ± 0.002 Å
• c: 11.113 ± 0.001 Å
• α: 90°
• β: 108.58 ± 0.02°
• γ: 90°
• Cell volume: 816.3 ± 0.2 ų
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for significantly intense reflections: 0.122
• Weighted residual factors for significantly intense reflections: 0.092
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.5608 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No