First-order hyperpolarizabilities of octupolar aromatic molecules: symmetrically substituted triazines

Ray, Paresh Chandra ; Das, Puspendu Kumar (1995) First-order hyperpolarizabilities of octupolar aromatic molecules: symmetrically substituted triazines Chemical Physics Letters, 244 (1-2). pp. 153-156. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0009-2614(95)00913-O

Abstract

The first hyperpolarizabilities of some symmetrically substituted triazines have been measured and compared with those of the corresponding symmetrically substituted benzenes. The octupolar triazines have higher quadratic polarizabilities than the corresponding octupolar benzenes. The triazine ring seems to be a better central acceptor than the benzene ring, but if it acts as a donor as in sym-triphenyl triazine, the nonlinearity improves further.

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