Torsional isomerism of bent metallocene complexes. The structures of meso-and rac-bis(1-cyclohexyltetrahydroindenyl)zirconium dichloride in the solid state
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2002, Journal of Organometallic ChemistryCitation Excerpt :These steric effects can be understood by considering the ring conformations that the two indenyl ligands can adopt with respect to each other in the solid state. An analysis of X-ray crystal structures of indenyl zirconium complexes has revealed that the ring substituents influence the conformation adopted by the rings in the solid state [3,17–19,34,39], as shown in Fig. 6. The crystal structures of metallocene 10 [4,8,40] show that it exists in two conformations while metallocene 11 [34] exists in one conformation suggesting that there are fewer restrictions to the conformational change in 10.
Unbridged metallocene dichloride complexes with mono-substituted indenyl ligands and their application for the polymerization of propene
2001, Journal of Organometallic Chemistry
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