Electronic Lability of Quinonoid‐Bridged Dinuclear 3d‐Metal Complexes with Tetradentate N‐Donor Bases

Bimetallic coordination compounds prone to spin‐state‐switching rearrangements via spin‐crossover or valence tautomerism mechanisms are of ongoing interest due to their unique magnetic characteristics. Dinuclear transition metal (Cr, Mn, Fe, Co, Ni, Cu) complexes with redox‐active bridging ligands (...

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Bibliographic Details
Published in:European journal of inorganic chemistry 2021-07, Vol.2021 (27), p.2684-2695
Main Authors: Chegerev, Maxim G, Starikova, Alyona A
Format: Article
Language:English
Subjects:
Bimetals
Chemists
Chromium
Coordination compounds
Copper
Electronic devices
Electronic structure
Inorganic chemistry
Iron
Magnetic materials
Magnetic properties
Manganese
Nickel
Nitrogen
Quinones
Transition metals
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Summary:Bimetallic coordination compounds prone to spin‐state‐switching rearrangements via spin‐crossover or valence tautomerism mechanisms are of ongoing interest due to their unique magnetic characteristics. Dinuclear transition metal (Cr, Mn, Fe, Co, Ni, Cu) complexes with redox‐active bridging ligands (tetraoxolenes and their imine derivatives, di‐o‐quinones bearing linker groups) and tetradentate nitrogen‐containing bases (tetraazacyclotetradecane, tris(2‐pyridylmethyl)amine and N,N′‐dialkyl‐2,11‐diaza[3.3]‐(2,6)pyridinophane derivatives) are described from the viewpoint of their electronic structure and magnetic properties. The present review summarizes data on comprehensive investigations of bi‐ and polystable species of such structural architectures, which might be valuable for the chemists and materials scientists involved in the creation of new promising magnetic materials − building blocks for electronic devices of future generations.
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.202100200