Bis(η-cyclo-penta-dien-yl)bis-(2,4,6-tri-methyl-phenyl-tellurolato)zirconium(IV)

Andrew L Hector; William Levason; Gillian Reid; Stuart D Reid; Michael Webster

doi:10.1107/S1600536808009574

Bis(η-cyclo-penta-dien-yl)bis-(2,4,6-tri-methyl-phenyl-tellurolato)zirconium(IV)

Acta Crystallogr Sect E Struct Rep Online. 2008 Apr 16;64(Pt 5):m667. doi: 10.1107/S1600536808009574.

Authors

Andrew L Hector¹, William Levason, Gillian Reid, Stuart D Reid, Michael Webster

Affiliation

¹ School of Chemistry, University of Southampton, Southampton SO17 1BJ, England.

Abstract

The structure of the title compound, [Zr(C(5)H(5))(2)(C(9)H(11)Te)(2)], consists of a zirconium(IV) centre bonded to two η(5)-coord-inated cyclo-penta-dienyl groups and two mesityltellurolate ligands; the discrete mol-ecule has crystallographic twofold rotation symmetry. The structural parameters compared with those in [(η(5)-Me(5)Cp)(2)Zr(TePh)(2)] [Howard, Trnka & Parkin (1995 ▶). Inorg. Chem.34, 5900-5909] show that the greater steric demands of the bulky mesityl substituents are accommodated by widening Te-Zr-Te (∼8°) and by more acute Zr-Te-C (∼5°) angles, although the Zr-Te distances are essentially the same. The crystal studied exhibited some inversion twinning.