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Crystal structure of triphenylphosphine-(1-(di(trifluoromethyl)-hydroxymethyl)-cyclopentadienyl)-(1,2-di(carboxymethyl) ethylene-1-yl) ruthenium (0)

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Abstract

The structure of triphenylphosphine — (1 — (di(trifluoromethyl) — hydroxymethyl) — cyclopentadienyl) — (1,2 — di(carboxymethyl)ethylene — 1 — yl) — ruthenium (0) has been studied by single-crystal X-ray diffraction techniques. This compound, [C5 H4(CF3)2 COH] Ru(PPh3)C2(CO2Me)2H, crystallizes in the triclinic space groupP¯1 witha =10.131,b= 15.107,c= 10.798 Å, α = 102.14,β = 107.04, γ = 89.64° andZ = 2. The structure was refined by block-diagonal least-squares methods to a finalR value of 0.042, including hydrogen atoms. The compound contains a dicarboxymethylethylene ligand coordinated to ruthenium both through a ketonic oxygen and through a metal-β-carbon σ-bond. An intramolecular hydrogen bond is observed. Details of the structure are reported, and the structures of several Ru(0) complexes are compared.

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  1. N. V. Raghavan

    Present address: Chemistry Department, University of Hawaii, 2545 The Mall, 96822, Honolulu, Hawaii, USA

Authors and Affiliations

  1. Department of Chemistry, The University of Texas at Austin, 78712, Austin, Texas, USA

    N. V. Raghavan & Raymond E. Davis

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  1. N. V. Raghavan
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  2. Raymond E. Davis
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Raghavan, N.V., Davis, R.E. Crystal structure of triphenylphosphine-(1-(di(trifluoromethyl)-hydroxymethyl)-cyclopentadienyl)-(1,2-di(carboxymethyl) ethylene-1-yl) ruthenium (0). Journal of Crystal and Molecular Structure 5, 163–176 (1975). https://doi.org/10.1007/BF01299680

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