Information card for entry 2108838

Structure parameters

• Common name: tremolite
• Formula: Al0.68 Ca1.99 F0.33 H1.61 K0.2 Mg5.09 O23.67 Si7.32
• Calculated formula: Al0.68 Ca1.9878 F0.331 H1.609 K0.2008 Mg5.0876 O23.67 Si7.32
• Title of publication: Recommended X-ray single-crystal structure refinement and Rietveld refinement procedure for tremolite
• Authors of publication: Ballirano, Paolo; Celata, Beatrice; Pacella, Alessandro; Bosi, Ferdinando
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2021
• Journal volume: 77
• Journal issue: 4
• a: 9.8348 ± 0.0003 Å
• b: 18.0035 ± 0.0006 Å
• c: 5.2825 ± 0.0002 Å
• α: 90°
• β: 104.996 ± 0.0008°
• γ: 90°
• Cell volume: 903.47 ± 0.05 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 8
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Residual factor for all reflections: 0.0147
• Residual factor for significantly intense reflections: 0.0132
• Weighted residual factors for significantly intense reflections: 0.0309
• Weighted residual factors for all reflections included in the refinement: 0.0314
• Goodness-of-fit parameter for all reflections included in the refinement: 1.117
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes