Information card for entry 2017426

Structure parameters

• Chemical name: Tetrasodium dihydroxidotetraoxidoneptunate(VII) hydroxide dihydrate
• Formula: H7 Na4 Np O9
• Calculated formula: H7 Na4 Np O9
• SMILES: [Np](O)(=O)([O-])([O-])([O-])O.[Na+].[Na+].[Na+].[Na+].[OH-].O.O
• Title of publication: Novel heptavalent actinide compounds: tetrasodium dihydroxidotetraoxidoneptunate(VII) hydroxide dihydrate and its plutonium analogue
• Authors of publication: Grigoriev, Mikhail S.; Krot, Nikolai N.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 12
• Pages of publication: i91 - i93
• a: 5.9632 ± 0.0002 Å
• b: 8.1157 ± 0.0002 Å
• c: 10.9434 ± 0.0003 Å
• α: 105.007 ± 0.002°
• β: 101.213 ± 0.002°
• γ: 105.935 ± 0.002°
• Cell volume: 471.36 ± 0.03 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0256
• Residual factor for significantly intense reflections: 0.0215
• Weighted residual factors for significantly intense reflections: 0.0493
• Weighted residual factors for all reflections included in the refinement: 0.0541
• Goodness-of-fit parameter for all reflections included in the refinement: 1.103
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes