Robert E. Allan, Julie S. Palmer, Marta E. G. Mosquera, Jeremy M. Rawson, Andrew E. H. Wheatley, Dominic S. Wright, Alan Bashall and Mary McPartlin
The reaction of [Sn(mit)2]n with CuCl gives the heterobimetallic complex [{Sn(mit)6Cu4] 1, in which the hypho-hexagonal-bipyramidal [SnCu4] core is stabilised by SnII–CuI cluster bonding between the endo lone pair of the Sn centre and the tetrahedral Cu4 fragment.