Innocent behavior of a typical non-innocent ligand has been observed for the first structurally characterized discrete metal complex with tetranucleating TCNQ. The coordination of four [Re(CO) (bpy)] units (see picture: C: black, N: green, O: blue, Re: red) facilitates the reduction of the already excellent π-acceptor molecule TCNQ by a further 0.74 V! TCNQ=7,7,8,8-tetracyano-p-quinodimethane, bpy=2,2'-bipyridine.

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http://dx.doi.org/10.1002/1521-3773(20010803)40:15<2842::AID-ANIE2842>3.0.CO;2-RDOI Listing

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