Information card for entry 4107301

Structure parameters

• Common name: cmpd 2
• Chemical name: Hafnium dimethyl complex
• Formula: C18 H34 Hf N2
• Calculated formula: C18 H34 Hf N2
• Title of publication: Highly Efficient, Living Coordinative Chain-Transfer Polymerization of Propene with ZnEt2: Practical Production of Ultrahigh to Very Low Molecular Weight Amorphous Atactic Polypropenes of Extremely Narrow Polydispersity
• Authors of publication: Wei Zhang; Lawrence R. Sita
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2008
• Journal volume: 130
• Pages of publication: 442 - 443
• a: 8.1023 ± 0.0005 Å
• b: 15.3441 ± 0.0009 Å
• c: 15.9356 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1981.2 ± 0.2 ų
• Cell temperature: 220 ± 2 K
• Ambient diffraction temperature: 220 ± 2 K
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for all reflections: 0.0193
• Residual factor for significantly intense reflections: 0.0156
• Weighted residual factors for significantly intense reflections: 0.0367
• Weighted residual factors for all reflections included in the refinement: 0.0387
• Goodness-of-fit parameter for all reflections included in the refinement: 0.998
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No