Abstract

Nitrone bi(2,4-pentanedionato) metal complexes of 1:1 and 2:1 stoichiometry have been isolated and characterized. Spin desity in the nickel complexes is delocalized mainly in the nitrone π orbital. Nmr studies of both imine and nitrone complexes provide evidence for inhibition of spin density distribution due to twisting from colanarity of phenyl group in the π system.

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