Implementation of 2,2'-azobispyridine radical mono- and dianions in dinuclear rare earth metal complexes.

Published in: Chemical communications (Cambridge, England) (2024)

The seminal isolation of a dinuclear rare earth metal complex comprising a bridging 2,2'-azobispyridyl radical anion, [(Cp tet 2 Y) 2 (μ-abpy˙)](BPh 4 ), is presented, which was obtained from a one-electron chemical oxidation of [(Cp tet 2 Y) 2 (μ-abpy)]. The unprecedented compounds were characterized by crystallography, spectroscopy and DFT computations. The radical character was proven by EPR spectroscopy.

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