Information card for entry 2008722

Structure parameters

• Common name: potassium iron germanate
• Chemical name: potassium iron germanium tetraoxide
• Formula: Fe Ge K O4
• Calculated formula: Fe Ge K O4
• Title of publication: Low-temperature KFeGeO~4~
• Authors of publication: Robert Hammond; Jacques Barbier
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1999
• Journal volume: 55
• Journal issue: 7
• Pages of publication: IUC9900074
• a: 18.749 ± 0.003 Å
• b: 18.749 ± 0.003 Å
• c: 8.684 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2643.7 ± 0.9 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 173
• Hermann-Mauguin space group symbol: P 63
• Hall space group symbol: P 6c
• Residual factor for all reflections: 0.055
• Residual factor for significantly intense reflections: 0.041
• Weighted residual factors for all reflections: 0.11
• Weighted residual factors for significantly intense reflections: 0.095
• Goodness-of-fit parameter for all reflections: 0.939
• Goodness-of-fit parameter for significantly intense reflections: 1.023
• Diffraction radiation wavelength: 0.56086 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No