Information card for entry 2108546

Structure parameters

• Common name: ammonium heptafluorotantalate
• Chemical name: ammonium heptafluorotantalate
• Formula: F7 H8 N2 Ta
• Calculated formula: F7 H5 N2 Ta
• Title of publication: Fluxional seven-coordinated fluorido- and oxofluoridotantalates
• Authors of publication: Udovenko, Anatoly A.; Slobodyuk, Arseny B.; Emelina, Tatiana B.; Laptash, Natalia M.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2019
• Journal volume: 75
• Journal issue: 6
• a: 5.8613 ± 0.0002 Å
• b: 5.8613 ± 0.0002 Å
• c: 10.5817 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 363.53 ± 0.02 ų
• Cell temperature: 120 ± 2 K
• Ambient diffraction temperature: 120 ± 2 K
• Number of distinct elements: 4
• Space group number: 129
• Hermann-Mauguin space group symbol: P 4/n m m :2
• Hall space group symbol: -P 4a 2a
• Residual factor for all reflections: 0.0122
• Residual factor for significantly intense reflections: 0.0122
• Weighted residual factors for significantly intense reflections: 0.0307
• Weighted residual factors for all reflections included in the refinement: 0.0307
• Goodness-of-fit parameter for all reflections included in the refinement: 1.046
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes