Abstract
The spectral and luminescent properties of phenol and the photoinduced O-H bond cleavage reaction, depending on complexation and excitation energy, were considered using the INDO method. It was shown that the formation of H-bonded complexes with water does not exert a noticeable effect on the spectral-luminescent properties of phenol. A decrease in the fluorescence quantum yield with increasing excitation energy is associated with the enhancement of the photoreaction rather than a change in the dynamics of intramolecular photophysical processes. The photolysis of phenol proceeds via the predissociation scheme. Complexation results in the enhancement of population of photodissociative singlet and triplet sates.
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