Mixed metal bis(mu-oxo) complexes with [CuM(mu-O)(2)](n+) (M = Ni(III) or Pd(II)) cores

Two highly reactive heterodinuclear bis(mu-oxo) complexes were prepared by combining mononuclear peroxo species with reduced metal precursors at -80 degreesC and were identified by UV-vis, EPR/NMR, and resonance Raman spectroscopy, with corroboration in the case of the CuPd system from density functional calculations.