Paramagnetic dithiolene complexes as metallo-ligands: Ether/thioether coordination

The secondary coordination ability of a paramagnetic nickel dithiolene complex, bearing an ether coordinating function within a nine-membered flexible ring, has been demonstrated in its [NiCl(DMF)2]+ complex, through coordination by both ether and thioether functions, allowing for a ferromagnetic interaction between both paramagnetic entities.