Abstract

The results of coupled perturbed Hartree-Fock (CPHF) ab initio extended basis set calculations on the gepmetric structures, dipole moments, static first-order ((alpha) ), second-order ((beta) ), and third-order polarizabilities ((gamma) ) of a series of fused heterocyclic aromatic compounds based on quinoline are reported. The effects of the presence/absence of the nitrogen atom as well as the introduction of other substituents (OH, NH2, NO2) at various positions in the ring system on these molecular properties are described. The effect of the presence of N-oxide is also examined. Suggestions for the design of heterocyclic systems with enhanced polarizabilities are made.© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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