Information card for entry 1100153

Structure parameters

• Formula: Ca4 F2 O7 Si2
• Calculated formula: Ca4 F2 O7 Si2
• Authors of publication: Kruger, Hannes; Kahlenberg, Volker
• a: 7.5397 ± 0.0016 Å
• b: 10.5338 ± 0.0019 Å
• c: 10.907 ± 0.002 Å
• α: 90°
• β: 109.557 ± 0.017°
• γ: 90°
• Cell volume: 816.3 ± 0.3 ų
• Cell temperature: 300 ± 2 K
• Ambient diffraction temperature: 300 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0538
• Residual factor for significantly intense reflections: 0.0341
• Weighted residual factors for significantly intense reflections: 0.0614
• Weighted residual factors for all reflections included in the refinement: 0.0664
• Goodness-of-fit parameter for all reflections included in the refinement: 1.045
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No