Information card for entry 4316565

Structure parameters

• Common name: Potassium dineptunium hexaselenide
• Formula: K Np2 Se6
• Calculated formula: K Np2 Se6
• Title of publication: Dichalcogenide Bonding in Seven Alkali-Metal Actinide Chalcogenides of the KTh2Se6 Structure Type
• Authors of publication: Daniel E. Bugaris; Daniel M. Wells; Jiyong Yao; S. Skanthakumar; Richard G. Haire; L. Soderholm; James A. Ibers
• Journal of publication: Inorganic Chemistry
• Year of publication: 2010
• Journal volume: 49
• Pages of publication: 8381 - 8388
• a: 4.0377 ± 0.0007 Å
• b: 5.525 ± 0.001 Å
• c: 21.558 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 480.92 ± 0.15 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 3
• Space group number: 71
• Hermann-Mauguin space group symbol: I m m m
• Hall space group symbol: -I 2 2
• Residual factor for all reflections: 0.032
• Residual factor for significantly intense reflections: 0.0289
• Weighted residual factors for significantly intense reflections: 0.0628
• Weighted residual factors for all reflections included in the refinement: 0.0632
• Goodness-of-fit parameter for all reflections included in the refinement: 1.911
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No