Information card for entry 2105816

Structure parameters

• Formula: Al28 Si20 U16
• Calculated formula: Al7 Si5 U4
• Title of publication: New ordered phase in the quasi-binary UAl~3~‒USi~3~ system
• Authors of publication: Rafailov, Gennady; Dahan, Isaac; Meshi, Louisa
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2014
• Journal volume: 70
• Journal issue: 3
• Pages of publication: 580 - 585
• a: 8.3471 ± 0.001 Å
• b: 8.3471 ± 0.001 Å
• c: 16.809 ± 0.006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1171.2 ± 0.5 ų
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Residual factor for all reflections: 0.0332
• Residual factor for significantly intense reflections: 0.0321
• Weighted residual factors for significantly intense reflections: 0.1459
• Weighted residual factors for all reflections included in the refinement: 0.1899
• Goodness-of-fit parameter for all reflections included in the refinement: 2.034
• Diffraction radiation wavelength: 1.5406 Å
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes