Author(s)

Nouar Sofiane Labidi^1,2

¹Department of Chemistry, Faculty of Sciences, University of Sciences and Technology of Oran, Oran, Algeria.
²Centre Universitaire de Tamanrasset, Tamanrasset, Algeria.

We report ab initio studies of the dipole polarizabilities (α) and first static hyperpolarizabilities (β) for a set of substituted hexatriene in which electron donating (D) and electron accepting (A) groups were introduced either end parts of the hexatriene chain NO₂-(CH=CH)₃-D. Geometries of all molecules were optimized at the Hartree-Fock HF/6-311++G(2d,p) level of theory. Polarizabilities of these molecules were calculated at the same level of theory. To understand this phenomenon in the context of molecular orbital picture, we examined the molecular HOMOs and molecular LUMOs energies. The study revealed that the substituted hexatriene had large β values and hence may have potential applications in the development of non linear optical materials.

Ab Initio, Polarizability, Non-Linear Optics, Hyperpolarizability

Labidi, N. (2014) Non-Linear Optical Properties of Substituted Hexatriene: AM1 and ab Initio Quantum Chemical Calculations. Open Access Library Journal, 1, 1-10. doi: 10.4236/oalib.1100420.