1973 Volume 46 Issue 10 Pages 3109-3116
Arenetricarbonylchromium forms a charge-transfer molecular complex with electron acceptors such as 1,3,5-trinitrobenzene and tetracyanoethylene but not with electron donors such as N,N,N′,N′-tetramethyl-p-phenylenediamine. The ionization potentials of arenetricarbonylchromium complexes were determined from the charge-transfer transition energies in the molecular complexes. The molecular complexes are formed by a charge-transfer interaction of electron acceptor toward the π-coordinating benzene ring of arenetricarbonylchromium in the case of 1,3,5-trinitrobenzene, and by a charge-transfer toward the central chromium in the case of tetracyanoethylene.
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