A Tetracarbene–Oxoiron(IV) Complex


  • Financial support from the DFG (International Research Training Group GRK 1422 “Metal Sites in Biomolecules: Structures, Regulation and Mechanisms”; see http://www.biometals.eu) is gratefully acknowledged.


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Bioinspired organometallic chemistry: An oxoiron(IV) unit has been trapped within a macrocyclic tetracarbene ligand, merging a key bioinorganic intermediate with a popular organometallic scaffold (see picture). The stability of the new complex has allowed its characterization by a variety of methods, which show a strong σ-donating tetracarbene coordination leading to an S=1 ground state and unusual properties of the oxoiron(IV) species.