Information card for entry 9007460

Structure parameters

• Mineral name: Villiaumite
• Formula: F Na
• Calculated formula: F Na
• SMILES: [Na+].[F-]
• Title of publication: Thermal expansion of sodium fluoride and sodium bromide Note: T = 148 C, rocksalt structure
• Authors of publication: Deshpande, V. T.
• Journal of publication: Acta Crystallographica
• Year of publication: 1961
• Journal volume: 14
• Pages of publication: 794 - 794
• a: 4.6537 Å
• b: 4.6537 Å
• c: 4.6537 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 100.785 ų
• Ambient diffraction temperature: 421.15 K
• Number of distinct elements: 2
• Space group number: 225
• Hermann-Mauguin space group symbol: F m -3 m
• Hall space group symbol: -F 4 2 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No