Abstract
The electrical conductivities of some Schiff bases and their charge transfer complexes (CTCs) with 2,4-dinitrophenol and picric acid as acidic acceptors indicate that they behave as semiconductors within the investigated range of temperature. However, they are insulators at 300 K. DTA and IR spectra show the importance of the solvent of crystallization molecules in lowering the activation energy of the acceptors and the CTCs. The linear free energy relationship (LFER) indicates that the conduction process depends on the electronic structure.