Information card for entry 7248685

Structure parameters

• Common name: apatite
• Chemical name: Pb~5.09~Ca~3.78~K~1.13~(PO~4~)~6~F~0.87~
• Formula: Ca3.78 F0.87 K1.13 O24 P6 Pb5.09
• Calculated formula: Ca3.776 F0.866 K1.134 O24 P6 Pb5.0884
• Title of publication: Synthesis of a new potassium-substituted lead fluorapatite and its structural characterization
• Authors of publication: Hamza, Mariam; Hamdi, Besma; Ben Ahmed, Ali; Capitelli, Francesco; El Feki, Hafed
• Journal of publication: RSC Advances
• Year of publication: 2024
• Journal volume: 14
• Journal issue: 24
• Pages of publication: 16876 - 16885
• a: 9.719 ± 0.0005 Å
• b: 9.719 ± 0.0005 Å
• c: 7.17 ± 0.0006 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 586.53 ± 0.07 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 6
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Residual factor for all reflections: 0.0575
• Residual factor for significantly intense reflections: 0.0309
• Weighted residual factors for significantly intense reflections: 0.0546
• Weighted residual factors for all reflections included in the refinement: 0.0614
• Goodness-of-fit parameter for all reflections included in the refinement: 0.971
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No