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Digitale Medien

Tribenzyl{η5-[2-(p-tolyl)prop-2-yl]cyclopentadienyl}zirconium (2000)

Saßmannshausen, Jörg ; Rust, Jörg ; Goddard, Richard

Oxford [u.a.] : International Union of Crystallography (IUCr)

Acta crystallographica 56 (2000), S. e236-e237

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Details

ISSN: 1600-5759

Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik

Notizen: The title compound, [Zr(C7H7)3(C15H17)], (I), crystallizes from light petroleum with two independent molecules in the asymmetric unit. Whereas in the parent molecule, Zr(η5-C5H5)(CH2Ph)3, all three Zr—CH2Ph angles are equal, in (I), they differ significantly. In spite of their different environments, both independent molecules in (I) exhibit a small, an expected, and a large Zr—CH2Ph angle. The angles are similar to those of the closely related tribenzyl[η5-(benzyldimethylsilyl)cyclopentadienyl]zirconium complex. The smallest Zr—CH2Ph angle and the consequently relatively short Zr...Cipso distance are indicative of η2-bonding of the benzyl group.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1107/S0108270100006089

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