Information card for entry 2221217

Structure parameters

• Common name: Neptunium copper diselenide
• Chemical name: Neptunium(III) copper(I) diselenide
• Formula: Cu Np Se2
• Calculated formula: Cu Np Se2
• Title of publication: Neptunium(III) copper(I) diselenide
• Authors of publication: Wells, Daniel M.; Skanthakumar, S.; Soderholm, L.; Ibers, James A.
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 3
• Pages of publication: i14
• a: 6.6796 ± 0.0005 Å
• b: 7.4384 ± 0.0006 Å
• c: 7.1066 ± 0.0005 Å
• α: 90°
• β: 97.156 ± 0.001°
• γ: 90°
• Cell volume: 350.34 ± 0.05 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 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 all reflections: 0.0292
• Residual factor for significantly intense reflections: 0.0275
• Weighted residual factors for significantly intense reflections: 0.0669
• Weighted residual factors for all reflections included in the refinement: 0.0676
• Goodness-of-fit parameter for all reflections included in the refinement: 1.346
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes