Information card for entry 2016185

Structure parameters

• Common name: Isokite
• Chemical name: calcium magnesium phosphate fluoride
• Formula: Ca F0.8 Mg O4.2 P
• Calculated formula: Ca F0.8 Mg O4.2 P
• Title of publication: Isokite, CaMg(PO~4~)F~0.8~(OH)~0.2~, isomorphous with titanite
• Authors of publication: Yang, Hexiong; Zwick, Justin; Downs, Robert T.; Costin, Gelu
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2007
• Journal volume: 63
• Journal issue: 10
• Pages of publication: i89 - i90
• a: 6.5109 ± 0.0003 Å
• b: 8.7301 ± 0.0005 Å
• c: 6.9046 ± 0.0005 Å
• α: 90°
• β: 112.246 ± 0.002°
• γ: 90°
• Cell volume: 363.25 ± 0.04 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• 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: 0.0403
• Residual factor for significantly intense reflections: 0.0297
• Weighted residual factors for significantly intense reflections: 0.0751
• Weighted residual factors for all reflections included in the refinement: 0.0805
• Goodness-of-fit parameter for all reflections included in the refinement: 1.045
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Duplicate of: 9011393
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes