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Further Aspects of the Chemistry of the Dirhenium Complexes [(triphos)Re(μ-X)3Re(triphos)]n+ (n=1 or 0), Where triphos=CH3C(CH2PPh2)3 and X=Cl or Br

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Abstract

The dirhenium(II) complexes [Re2(μ-X)3(triphos)2]O3SCF3 (X=Cl or Br) have been prepared by anion exchange reactions. These salts show well defined simple electron-transfer redox chemistry (two reversible one-electron oxidations and two one-electron reductions) but the [Re(μ-X)3Re] unit is remarkably stable to reactions with donor molecules such as monodentate tertiary phosphines which can often induce cleavage of M-X-M bridges. The crystallographic characterization of these two salts show that Re–Re bonds are not present, the Re...Re distances being 3.274(1) Å for X=Cl and 3.277(1) Å for X=Br.

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Authors and Affiliations

  1. Department of Chemistry, Purdue University, West Lafayette, Indiana, 47907-1393

    Yan Ding, Phillip E. Fanwick & Richard A. Walton

Authors
  1. Michael J. Siwajek
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  2. Yan Ding
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  3. Phillip E. Fanwick
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  4. Richard A. Walton
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Siwajek, M.J., Ding, Y., Fanwick, P.E. et al. Further Aspects of the Chemistry of the Dirhenium Complexes [(triphos)Re(μ-X)3Re(triphos)]n+ (n=1 or 0), Where triphos=CH3C(CH2PPh2)3 and X=Cl or Br. Journal of Cluster Science 11, 243–251 (2000). https://doi.org/10.1023/A:1009081218955

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  • DOI: https://doi.org/10.1023/A:1009081218955

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