Hector, A.L., Levason, W., Reid, G., Reid, S.D. and Webster, M.
Acta Crystallographica Section E: Structure Reports Online, 64, (5), . (doi:10.1107/S1600536808009574).
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The structure of the title compound, [Zr(C5H5)2(C9H11Te)2], consists of a zirconium(IV) centre bonded to two [eta]5-coordinated cyclopentadienyl groups and two mesityltellurolate ligands; the discrete molecule has crystallographic twofold rotation symmetry. The structural parameters compared with those in [([eta]5-Me5Cp)2Zr(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.
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