Information card for entry 4315099

Structure parameters

• Formula: La2 Se9 U2
• Calculated formula: La2 Se9 U2
• Title of publication: La2U2Se9: An Ordered Lanthanide/Actinide Chalcogenide with a Novel Structure Type
• Authors of publication: Daniel E. Bugaris; Roy Copping; Tolek Tyliszczak; David K. Shuh; James A. Ibers
• Journal of publication: Inorganic Chemistry
• Year of publication: 2010
• Journal volume: 49
• Pages of publication: 2568 - 2575
• a: 10.92 ± 0.002 Å
• b: 5.61 ± 0.0011 Å
• c: 10.703 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 655.7 ± 0.2 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 51
• Hermann-Mauguin space group symbol: P m m a
• Hall space group symbol: -P 2a 2a
• Residual factor for all reflections: 0.0301
• Residual factor for significantly intense reflections: 0.0264
• Weighted residual factors for significantly intense reflections: 0.0719
• Weighted residual factors for all reflections included in the refinement: 0.0741
• Goodness-of-fit parameter for all reflections included in the refinement: 1.289
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No