Information card for entry 7203748

Structure parameters

• Formula: C40 H160 N8 O52 Si8
• Calculated formula: C38 H106 N8 O52 Si8
• Title of publication: The selective dissolution of rice hull ash to form [OSiO1.5]8[R4N]8(R = Me, CH2CH2OH) octasilicates. Basic nanobuilding blocks and possible models of intermediates formed during biosilicification processes
• Authors of publication: Asuncion, M. Z.; Hasegawa, I.; Kampf, J. W.; Laine, R. M.
• Journal of publication: Journal of Materials Chemistry
• Year of publication: 2005
• Journal volume: 15
• Journal issue: 21
• Pages of publication: 2114
• a: 11.9649 ± 0.0009 Å
• b: 16.5185 ± 0.0012 Å
• c: 20.8305 ± 0.0016 Å
• α: 90°
• β: 90.886 ± 0.001°
• γ: 90°
• Cell volume: 4116.5 ± 0.5 ų
• Cell temperature: 158 ± 2 K
• Ambient diffraction temperature: 158 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0973
• Residual factor for significantly intense reflections: 0.0676
• Weighted residual factors for significantly intense reflections: 0.2122
• Weighted residual factors for all reflections included in the refinement: 0.2294
• Goodness-of-fit parameter for all reflections included in the refinement: 1.095
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No