Information card for entry 4077891

Structure parameters

• Common name: [K{C5H3(SiMe3)2}]
• Formula: C11 H21 K Si2
• Calculated formula: C11 H21 K Si2
• SMILES: [K+].[Si](c1[c-]c([Si](C)(C)C)cc1)(C)(C)C
• Title of publication: Syntheses and Structures of the Crystalline, Highly Crowded 1,3-Bis(trimethylsilyl)cyclopentadienyls [MCp″3] (M = Y, Er, Yb), [PbCp″2], [{YCp″2(μ-OH)}2], [(ScCp″2)2(μ-η2:η2-C2H4)], [YbCp″2Cl(μ-Cl)K(18-crown-6)], and [{KCp″}∞]
• Authors of publication: Coles, Martyn P.; Hitchcock, Peter B.; Lappert, Michael F.; Protchenko, Andrey V.
• Journal of publication: Organometallics
• Year of publication: 2012
• Journal volume: 31
• Journal issue: 7
• Pages of publication: 2682
• a: 11.4794 ± 0.0005 Å
• b: 12.5636 ± 0.0005 Å
• c: 21.2707 ± 0.0009 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3067.7 ± 0.2 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 4
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0424
• Residual factor for significantly intense reflections: 0.0375
• Weighted residual factors for significantly intense reflections: 0.1105
• Weighted residual factors for all reflections included in the refinement: 0.1168
• Goodness-of-fit parameter for all reflections included in the refinement: 0.773
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No