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Keywords:

  • cobalt compounds;
  • complexes with sulfur ligands;
  • iridium compounds;
  • rhodium compounds;
  • sandwich complexes
Thumbnail image of graphical abstract

A versatile ligand system capable of acting as a two-four-, and six-electron ligand in Cp* complexes of the cobalt triad is the bulky 1,1′-ferrocenedithiolato ligand [S2fc]. In the Co3 complex 1, [S2fc] bridges the Co[BOND]Co bonds symmetrically and functions as a six-electron donor. The unusual bent Co3 chain in 1 has been structurally characterized.