Information card for entry 1563074

Structure parameters

• Common name: Uranium Samarium Oxyselenide
• Formula: O4 Se3 Sm2 U2
• Calculated formula: O4 Se3 Sm2 U2
• Title of publication: Syntheses and crystal structures of the quaternary uranium lanthanide oxyselenides UYb2O2Se3 and U2Ln2O4Se3 (Ln=Pr, Sm, Gd)
• Authors of publication: Raw, Adam D.; Ibers, James A.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2012
• Journal volume: 186
• Pages of publication: 177 - 181
• a: 6.9873 ± 0.0002 Å
• b: 14.7923 ± 0.0004 Å
• c: 3.9854 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 411.924 ± 0.019 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 55
• Hermann-Mauguin space group symbol: P b a m
• Hall space group symbol: -P 2 2ab
• Residual factor for all reflections: 0.0157
• Residual factor for significantly intense reflections: 0.0154
• Weighted residual factors for significantly intense reflections: 0.0399
• Weighted residual factors for all reflections included in the refinement: 0.0399
• Goodness-of-fit parameter for all reflections included in the refinement: 1.473
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No