Information card for entry 4343240

Structure parameters

• Common name: Sodium neptunate
• Chemical name: Na4NpO5
• Formula: Na4 Np O5
• Calculated formula: Na4 Np O5
• Title of publication: X-ray Diffraction, Mössbauer Spectroscopy, Magnetic Susceptibility, and Specific Heat Investigations of Na4NpO5 and Na5NpO6.
• Authors of publication: Smith, Anna L.; Hen, Amir; Raison, Philippe E.; Colineau, Eric; Griveau, Jean-Christophe; Magnani, Nicola; Sanchez, Jean-Pierre; Konings, Rudy J. M.; Caciuffo, Roberto; Cheetham, Anthony K.
• Journal of publication: Inorganic chemistry
• Year of publication: 2015
• Journal volume: 54
• Journal issue: 9
• Pages of publication: 4556 - 4564
• a: 7.53534 ± 0.00008 Å
• b: 7.53534 ± 0.00008 Å
• c: 4.6159 ± 0.00006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 262.097 ± 0.005 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 3
• Space group number: 87
• Hermann-Mauguin space group symbol: I 4/m
• Hall space group symbol: -I 4
• Residual factor R(I) for significantly intense reflections: 3.557
• Goodness-of-fit parameter for all reflections: 3.98178
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 1.5406 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No