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Structural studies of low-valent metal-fluorocarbon complexes

Part I: Crystal and molecular structure of bis(triphenylphosphine)hexafluoroacetone nickel(0)

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Abstract

The crystal structure of bis(triphenylphosphine)hexafluoroacetone nickel(0), (Ph3P)2

, has been determined. The crystals are monoclinic: space group P21/n, a=18·123(5), b=19·879(5), c=9·745(2) Å, β=93·46(2)° and Z=4. X-ray data were collected by counter methods using MoKα radiation, and least-squares refinement led toR = 0·087 for the 1406 independent reflexions for which ¦F0¦2 > 2σ(¦F0¦2). In the complex, the hexafluoroacetone molecule is associated with the nickel atom by sideways coordination of the C=O group to form a three-membered ring in which the bond lengths are Ni-C, 1·89(2), Ni-O, 1·87(1) and C-O, 1·32(2) Å. The whole Ni, P, P, C, O coordination group forms an approximate plane with the two CF3 groups projecting on either side.

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Authors and Affiliations

  1. Chemistry Department, University of Canterbury, Christchurch, New Zealand

    Rachel Countryman & B. R. Penfold

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  1. Rachel Countryman
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  2. B. R. Penfold
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Countryman, R., Penfold, B.R. Structural studies of low-valent metal-fluorocarbon complexes. Journal of Crystal and Molecular Structure 2, 281–290 (1972). https://doi.org/10.1007/BF01246645

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  • DOI: https://doi.org/10.1007/BF01246645

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