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[en] High-resolution one- and two-dimensional solid-state CP/MAS spectra of microcrystalline bent metallocene complexes of the type (η5-RCp)2ZrL2 have been obtained at various temperatures (L = Cl, R = H (1), Me (2), Et (3), tBu (4); L2 = s-cis-η4-C4H6, R = tBu (8); L2 = s-cis-η4-C4H6, R = 1,1-dimethylpentyl (9); L2 = s-cis-η4-C4H5Me, R = tBu (10)). Complexes 1-4 possess C2 molecular symmetry, while the overall symmetry of complexes 5 and 6 is close to Cs. In 7-9 there is no element of symmetry, and 10 yields diastereoisomers (95:5)
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