Abstract
An application of the theory recently developed to calculate SCF static and dynamic (hyper)polarizabilities of molecular solutes within the framework of the polarizable continuum model is presented here. The specific system under analysis is given by the acetonitrile molecule both in vacuo and in two different dilute solutions, water and benzene. The numerical results reported in the present paper are focused on an evaluation of the main changes produced by the presence of a solvent on the static and dynamic polarizability, α, and first and second hyperpolarizabilities, β and ρ, with respect to the corresponding quantities in the gas phase. The limits of the present calculations, and the prospects for their refinement, are discussed with a view to giving a preliminary hint and a first tool for future reliable prediction of the behavior of this kind of response function when the molecule is perturbed by the presence of a surrounding medium.
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