Some aspects of the reactivity of rhodium(I) and rhodium(II) tricyclohexylphosphine derivatives studied by ESR spectroscopy II. Formation of a paramagnetic Rh(II) carbonyl species by treatment of RhCl2(PCy3)2 in the solid state with carbon monoxideG. Valentini; G. Braca; G. Sbrana; A. Colligiani · 1983