Information card for entry 2012071

Structure parameters

• Chemical name: strontium magnesium tetrafluoride
• Formula: F4 Mg Sr
• Calculated formula: F4 Mg Sr
• Title of publication: Monoclinic superstructure of SrMgF~4~ with perovskite-type slabs
• Authors of publication: Ishizawa, Nobuo; Suda, Katsumi; Etschmann, Barbara E.; Oya, Takashi; Kodama, Nobuhiro
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2001
• Journal volume: 57
• Journal issue: 7
• Pages of publication: 784 - 786
• a: 7.8249 ± 0.0008 Å
• b: 7.493 ± 0.0007 Å
• c: 16.9248 ± 0.0017 Å
• α: 90°
• β: 90°
• γ: 105.041 ± 0.011°
• Cell volume: 958.34 ± 0.17 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 3
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 1 21
• Hall space group symbol: P 2c
• Residual factor for all reflections: 0.048
• Residual factor for significantly intense reflections: 0.044
• Weighted residual factors for all reflections: 0.039
• Weighted residual factors for all reflections included in the refinement: 0.037
• Goodness-of-fit parameter for all reflections: 3.203
• Goodness-of-fit parameter for all reflections included in the refinement: 3.144
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No