Information card for entry 7101882

Structure parameters

• Chemical name: 2,4-Dihydroxy-1,1,1,3,3,5,5,5-octamethyl-2,4-bis(trimethylsilyl)- pentasilane
• Formula: C14 H44 O2 Si7
• Calculated formula: C14 H44 O2 Si7
• Title of publication: Twisted oxygen-containing oligosilanes–unprecedented examples of sigma-n mixed conjugated systems.
• Authors of publication: Krempner, Clemens; Ludwig, Ralf; Flemming, Anke; Miethchen, Ralf; Köckerling, Martin
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2007
• Journal issue: 18
• Pages of publication: 1810 - 1812
• a: 10.1051 ± 0.0007 Å
• b: 23.259 ± 0.002 Å
• c: 25.278 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 5941.2 ± 0.7 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 4
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Residual factor for all reflections: 0.073
• Residual factor for significantly intense reflections: 0.0427
• Weighted residual factors for significantly intense reflections: 0.1186
• Weighted residual factors for all reflections included in the refinement: 0.1355
• Goodness-of-fit parameter for all reflections included in the refinement: 1.014
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No