Iron andmanganese centers play crucial roles in many biological processes, consequentlytheir coordination chemistry is well documented in the literature in contrastto low-coordinate mono(cyclopentadienyl) iron and manganese complexes. Themajor reason for this is the facile formation of thermodynamically favoredmetallocenes. However, sterically demanding alkylcyclopentadienyl ligands allowthe isolation and characterization of a broad variety of paramagnetic anddiamagnetic, low-coordinate monocyclopentadienyl half-sandwich complexes whichhave been structurally characterized and investigated with respect to theirreactivity, bonding and electronic structure. A few selected examples will bepresented.

More than only metallocenes: Low-coordinate iron and manganese half-sandwich complexes

241st National Meeting (2011)

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