Information card for entry 7101881

Structure parameters

• Chemical name: 4,4-Dimethyl-(1 RS, 7 SR)-2,6-Dioxa-3,3,5,5-tetrakis (trimethylsilyl)-3,4,5-trisila-cis-bicyclo[5.3.1]undecane
• Formula: C20 H52 O2 Si7
• Calculated formula: C20 H52 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: 11.0842 ± 0.0009 Å
• b: 30.12 ± 0.003 Å
• c: 10.5929 ± 0.0009 Å
• α: 90°
• β: 107.816 ± 0.003°
• γ: 90°
• Cell volume: 3366.9 ± 0.5 ų
• Cell temperature: 243 ± 2 K
• Ambient diffraction temperature: 243 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0815
• Residual factor for significantly intense reflections: 0.0574
• Weighted residual factors for significantly intense reflections: 0.1432
• Weighted residual factors for all reflections included in the refinement: 0.1557
• Goodness-of-fit parameter for all reflections included in the refinement: 1.041
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No