Information card for entry 7228194

Structure parameters

• Formula: Cu F7 Fe Na2
• Calculated formula: Cu F7 Fe Na2
• Title of publication: The crystal structure of Na2CoFeF7 and a second modification of Na2CuFeF7 : another weberite variant
• Authors of publication: Matthias Welsch; Dietrich Babel
• Journal of publication: Zeitschrift fur Naturforschung
• Year of publication: 1992
• Pages of publication: 685 - 692
• a: 12.444 ± 0.002 Å
• b: 7.343 ± 0.001 Å
• c: 24.672 ± 0.005 Å
• α: 90°
• β: 99.27 ± 0.03°
• γ: 90°
• Cell volume: 2225 ± 0.7 ų
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0982
• Residual factor for significantly intense reflections: 0.0405
• Weighted residual factors for significantly intense reflections: 0.0614
• Goodness-of-fit parameter for all reflections included in the refinement: 1.83
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No