Information card for entry 2238683

Structure parameters

• Common name: yttrium fluoride disilicate ortho-silicate
• Chemical name: Tetrayttrium difluoride disilicate orthosilicate
• Formula: F2 O11 Si3 Y4
• Calculated formula: F2 O11 Si3 Y4
• Title of publication: Tetrayttrium difluoride disilicate orthosilicate, Y~4~F~2~[Si~2~O~7~][SiO~4~]
• Authors of publication: Schäfer, Marion C.; Hartenbach, Ingo; Schleid, Thomas
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2013
• Journal volume: 69
• Journal issue: 10
• Pages of publication: i71
• a: 6.4987 ± 0.0005 Å
• b: 6.6196 ± 0.0005 Å
• c: 13.2978 ± 0.0009 Å
• α: 87.418 ± 0.004°
• β: 85.702 ± 0.004°
• γ: 60.854 ± 0.003°
• Cell volume: 498.19 ± 0.07 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.121
• Residual factor for significantly intense reflections: 0.0549
• Weighted residual factors for significantly intense reflections: 0.0884
• Weighted residual factors for all reflections included in the refinement: 0.1067
• Goodness-of-fit parameter for all reflections included in the refinement: 0.982
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No