Information card for entry 4333077

Structure parameters

• Chemical name: potassium-tris{bis(trimethylsilylamido)}ytterbate(II)
• Formula: C21 H63 K N2 Si8 Yb
• Calculated formula: C21 H63 K N2 Si8 Yb
• SMILES: [K]1[N]([Si](C)(C)C)([Si](C)(C)C)[Yb]([N]1([Si](C)(C)C)[Si](C)(C)C)[Si]([Si](C)(C)C)([Si](C)(C)C)[Si](C)(C)C
• Title of publication: Reactions of Hypersilyl Potassium with Rare-Earth Metal Bis(Trimethylsilylamides): Addition versus Peripheral Deprotonation
• Authors of publication: Niemeyer, Mark
• Journal of publication: Inorganic Chemistry
• Year of publication: 2006
• Journal volume: 45
• Journal issue: 22
• Pages of publication: 9085 - 9095
• a: 21.048 ± 0.005 Å
• b: 12.557 ± 0.002 Å
• c: 17.44 ± 0.004 Å
• α: 90°
• β: 115.26 ± 0.012°
• γ: 90°
• Cell volume: 4168.6 ± 1.6 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 6
• 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: 0.0478
• Residual factor for significantly intense reflections: 0.0302
• Weighted residual factors for significantly intense reflections: 0.0677
• Weighted residual factors for all reflections included in the refinement: 0.0707
• Goodness-of-fit parameter for all reflections included in the refinement: 0.881
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No