A rare unsupported iridium(II) dimer, [IrCl2(CO)2]2

Chem Commun (Camb). 2008 Jun 14:(22):2511-3. doi: 10.1039/b803632b. Epub 2008 May 2.

Abstract

Oxidative additions of dichloromethanes to a diiridium(i) core, bridged by 2-ferrocenyl-1,8-naphthyridines (NP-Fc), provide an iridium(II) dimer, [IrCl2(CO)2(eta 1-NP-Fc)]2, featuring an unsupported Ir-Ir single bond (2.7121(8) A).