Information card for entry 2019930

Structure parameters

• Chemical name: Sodium vanadium dioxide difluoride
• Formula: F2 Na O2 V
• Calculated formula: F2 Na O2 V
• Title of publication: Polymorphism of NaVO~2~F~2~: a <i>P</i>2~1~/<i>c</i> superstructure with pseudosymmetry of <i>P</i>2~1~/<i>m</i> in the subcell
• Authors of publication: Yu, Zi-Qun; Wang, Jing-Quan; Huang, Ya-Xi; Botis, Sanda M.; Pan, Yuanming; Mi, Jin-Xiao
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2015
• Journal volume: 71
• Journal issue: 6
• a: 6.3846 ± 0.0018 Å
• b: 3.6024 ± 0.0009 Å
• c: 14.387 ± 0.004 Å
• α: 90°
• β: 110.636 ± 0.01°
• γ: 90°
• Cell volume: 309.67 ± 0.15 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0264
• Residual factor for significantly intense reflections: 0.0259
• Weighted residual factors for significantly intense reflections: 0.0778
• Weighted residual factors for all reflections included in the refinement: 0.0786
• Goodness-of-fit parameter for all reflections included in the refinement: 1.084
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes