Information card for entry 4308169

Structure parameters

• Common name: neptunium(IV) iodate hydrate
• Formula: I4.03 Np O13
• Calculated formula: I4.03 Np O13
• Title of publication: Critical Role of Water Content in the Formation and Reactivity of Uranium, Neptunium, and Plutonium Iodates under Hydrothermal Conditions: Implications for the Oxidative Dissolution of Spent Nuclear Fuel
• Authors of publication: Travis H. Bray; Jie Ling; Eun Sang Choi; James S. Brooks; James V. Beitz; Richard E. Sykora; Richard G. Haire; David M. Stanbury; Thomas E. Albrecht-Schmitt
• Journal of publication: Inorganic Chemistry
• Year of publication: 2007
• Journal volume: 46
• Pages of publication: 3663 - 3668
• a: 21.8675 ± 0.001 Å
• b: 21.8675 ± 0.001 Å
• c: 12.9705 ± 0.0008 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5371.4 ± 0.5 ų
• Cell temperature: 193 ± 2 K
• Ambient diffraction temperature: 193 ± 2 K
• Number of distinct elements: 3
• Space group number: 161
• Hermann-Mauguin space group symbol: R 3 c :H
• Hall space group symbol: R 3 -2"c
• Residual factor for all reflections: 0.044
• Residual factor for significantly intense reflections: 0.0403
• Weighted residual factors for significantly intense reflections: 0.087
• Weighted residual factors for all reflections included in the refinement: 0.088
• Goodness-of-fit parameter for all reflections included in the refinement: 1.04
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No