Structural Investigation of Bis(isonitrile)gold(I) Complexes

Wolfgang Schneider, Alexander Sladek, Andreas Bauer, Klaus Angermaier, Hubert Schmidbaur

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16 Scopus citations


The reaction of (MeNC)-, (PhNC)- and (MesNC)AuCl in tetrahydrofuran with an equimolar amount of the corresponding isonitrile ligand and one equivalent of Ag+X- (X- = BF-4 or CF3SO-3) leads to the formation of the bis(isonitrile)gold(I) complexes (MeNC)2Au+ CF3SO-3 (1), (PhNC)2Au+ BF-4 (2) and (MesNC)2Au+ BF-4 (3). The crystal structures of 1, 2 and 3 have been determined. In compound 1 there are rod-like cations with a parallel packing into meandering puckered layers, in which the gold atoms have alternating Au-Au contacts of 3.611 and 3.624 Å. In complex 2 the cations form long double-paddles, with the two paddles at an angle of 77.5°. The individual cations are well separated and have no sub-van-der-Waals Au-Au contacts. The crystal structure of 3 is similar, but with a smaller dihedral angle between the planes of the two mesityl rings (56.0°).

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Issue number1
StatePublished - Jan 1997
Externally publishedYes


  • Crystal Structure
  • Gold(I) Complexes
  • Isonitrile Complexes
  • Supramolecular Chemistry


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