Information card for entry 7027564

Structure parameters

• Formula: C20 H54 Li2 O4 Si6
• Calculated formula: C20 H54 Li2 O4 Si6
• Title of publication: Tris(triorganosilyl)methyl derivatives of potassium and lithium bearing dimethylamino or methoxy substituents at silicon. Crystal structures of KC(SiMe3)2(SiMe2NMe2), KC(SiMe2NMe2)3 and [LiC(SiMe3)(SiMe2OMe)2]2
• Authors of publication: Al-Juaid, Salih S.; Eaborn, Colin; El-Hamruni, Salima; Farook, Adam; Hitchcock, Peter B.; Hopman, Martijn; Smith, J. David; Clegg, William; Izod, Keith; O’Shaughnessy, Paul
• Journal of publication: Journal of the Chemical Society, Dalton Transactions
• Year of publication: 1999
• Journal issue: 18
• Pages of publication: 3267
• a: 15.569 ± 0.003 Å
• b: 12.603 ± 0.002 Å
• c: 16.848 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3305.8 ± 0.9 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 5
• Space group number: 64
• Hermann-Mauguin space group symbol: C m c a
• Hall space group symbol: -C 2ac 2
• Residual factor for all reflections: 0.0757
• Residual factor for significantly intense reflections: 0.0582
• Weighted residual factors for all reflections: 0.1673
• Weighted residual factors for significantly intense reflections: 0.1528
• Goodness-of-fit parameter for all reflections: 1.048
• Goodness-of-fit parameter for significantly intense reflections: 1.09
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No