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Far-infrared spectra of four-co-ordinate planar gold(III) complexes

T. Boschi,  B. Crociani,  L. Cattalini  and  G. Marangoni 

Abstract

A Series of gold(III) complexes of the type [Au(L)X3](L = thioethers, triphenylphosphine, or triphenylarsine; X = Cl or Br) and trans-[Au(CN)2(L)X](L = pyridine or [2H5]pyridine; X = Cl or Br) have been prepared and their i.r. spectra as Nujol mulls have been recorded in the region 500–70 cm–1. For complexes [Au(L)X3], the metal–halogen stretching vibrations are assigned and discussed on the basis of the different trans-influence of the ligand L. For the complexes trans-[Au(CN)2(L)X], the gold–halogen and gold–carbon stretching vibrations are assigned and compared with the corresponding vibrations in the parent ions [Au(CN)4]– and trans-[Au(CN)2X2]–. The ν(Au–Cl) and ν(Au–Br) values for ligands trans to pyridine, are in the ranges 368–363 and 262–250 cm–1.

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Article type: Paper
DOI: 10.1039/J19700002408
Citation: J. Chem. Soc. A, 1970,0, 2408-2411
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    Far-infrared spectra of four-co-ordinate planar gold(III) complexes

    T. Boschi, B. Crociani, L. Cattalini and G. Marangoni, J. Chem. Soc. A, 1970, 0, 2408
    DOI: 10.1039/J19700002408

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