Abstract

The influence of nonspecific intermolecular interactions on the fluorescence band shift of 1,3,4-oxadiazole derivatives has been investigated in the binary solvents hexane-ethanol, toluene-ethanol, toluene-acetonitrile, and carbontetrachloride-2-propanol. The dependences obtained have been analyzed in terms of preferential solvation. It has been shown that the maximum solvation energy for slightly polar compounds occurs in toluene-ethanol, toluene-acetonitrile, and carbontetrachloride-2-propanol.

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