An unsupported transition metal–lanthanide bond; synthesis and crystal structure of an Nd–Fe amido N-heterocyclic carbene complex?

Chemical Communications Pub Date: 2008-12-17 DOI: 10.1039/B819072K

Abstract

A salt-elimination reaction between the neodymium monoiodide [Nd(L′)(N″)(I)]2 [L′ = ButNCH2CH2{C(NCSiMe3CHNBut)}; N″ = N(SiMe3)2] and K[FeCp(CO)2] affords the first complex with an unsupported 4f–3d metal–metal bond that is sufficiently stable to be isolated; the bond is identified as principally ionic in nature by DFT calculations.

Graphical abstract: An unsupported transition metal–lanthanide bond; synthesis and crystal structure of an Nd–Fe amido N-heterocyclic carbene complex
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