Information card for entry 4077797

Structure parameters

• Formula: C25 H42 K N2 P Si2
• Calculated formula: C25 H42 K N2 P Si2
• SMILES: [K]12P(=C([Si](C)(C)C)[Si](C)(C)C)(c3ccccc3C[N]2(C)C)c2ccccc2C[N]1(C)C
• Title of publication: First Structurally Authenticated Heavier Alkali Metal Phosphinomethanide
• Authors of publication: Clegg, William; Izod, Keith; O'Shaughnessy, Paul
• Journal of publication: Organometallics
• Year of publication: 1999
• Journal volume: 18
• Journal issue: 16
• Pages of publication: 2939
• a: 9.9165 ± 0.0004 Å
• b: 17.7521 ± 0.0008 Å
• c: 15.86 ± 0.0007 Å
• α: 90°
• β: 92.514 ± 0.001°
• γ: 90°
• Cell volume: 2789.3 ± 0.2 ų
• Cell temperature: 160 ± 2 K
• Ambient diffraction temperature: 160 ± 2 K
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0448
• Residual factor for significantly intense reflections: 0.0324
• Weighted residual factors for significantly intense reflections: 0.0814
• Weighted residual factors for all reflections included in the refinement: 0.0838
• Goodness-of-fit parameter for all reflections included in the refinement: 1.043
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No