Information card for entry 2104203

Structure parameters

• Common name: ammonium pentafluorooxoniobate(V)
• Chemical name: ammonium pentafluorooxoniobate(V)
• Formula: F5 H8 N2 Nb O
• Calculated formula: F5.01 N2 Nb O0.99
• Title of publication: Orientational disorder and phase transitions in crystals of (NH~4~)~2~NbOF~5~
• Authors of publication: Udovenko, Anatoly A.; Laptash, Natalia M.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2008
• Journal volume: 64
• Journal issue: 5
• Pages of publication: 527 - 533
• a: 5.9915 ± 0.0003 Å
• b: 14.4518 ± 0.0008 Å
• c: 7.1999 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 623.42 ± 0.06 ų
• Cell temperature: 297 ± 2 K
• Ambient diffraction temperature: 297 ± 2 K
• Number of distinct elements: 5
• Space group number: 36
• Hermann-Mauguin space group symbol: C m c 21
• Hall space group symbol: C 2c -2
• Residual factor for all reflections: 0.0182
• Residual factor for significantly intense reflections: 0.0173
• Weighted residual factors for significantly intense reflections: 0.0487
• Weighted residual factors for all reflections included in the refinement: 0.0497
• Goodness-of-fit parameter for all reflections included in the refinement: 1.077
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes