Study of Charge-Transfer Complexes of Salicylideneanilines with Eu(fod)3 in Carbon Tetrachloride by U.V. Spectroscopy

Salicylideneanilines in CCl4 form 1:1 charge transfer complexes with Eu(fod)3, indicated by the observation of a new longer wavelength band (~435 nm).
Equilibrium constant values (K) for the complexes were obtained by applying Benesi-Hildebrand equation at different temperatures. The thermodynamic parameters H, S and G of the complex formation were determined at these temperatures.