Information card for entry 2300197

Structure parameters

• Chemical name: Dipotassium heptafluorotantalate(V)
• Formula: F7 K2 Ta
• Calculated formula: F7 K2 Ta
• Title of publication: Structure of K~2~TaF~7~ at 993K: the combined use of synchrotron powder data and solid-state DFT calculations
• Authors of publication: Smrčok, Ľubomír; Brunelli, Michela; Boča, Miroslav; Kucharík, Marian
• Journal of publication: Journal of Applied Crystallography
• Year of publication: 2008
• Journal volume: 41
• Journal issue: 3
• Pages of publication: 634 - 636
• a: 10.0731 ± 0.0007 Å
• b: 5.9456 ± 0.0004 Å
• c: 12.1527 ± 0.0009 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 727.83 ± 0.09 ų
• Cell temperature: 993 K
• Ambient diffraction temperature: 993 K
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Diffraction radiation type: X-ray
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes