Solvent-dependent quadratic hyperpolarizabilities of two zwitterions

Alain F. Fort; Claude Runser; Marguerite Barzoukas; Catherine Combellas; C. Suba; Andre Thiebault

doi:10.1117/12.187499

23 September 1994 Solvent-dependent quadratic hyperpolarizabilities of two zwitterions

Alain F. Fort, Claude Runser, Marguerite Barzoukas, Catherine Combellas, C. Suba, Andre Thiebault

Proceedings Volume 2285, Nonlinear Optical Properties of Organic Materials VII; (1994) https://doi.org/10.1117/12.187499
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We have investigated the effect of solvent polarity on the conformations of two zwitterions. A Nuclear Magnetic Resonance (NMR) study shows that changing the solvent results in large intramolecular charge transfer. However NMR measurements indicated that a benzenoid ring structure predominates the ground state structure for both zwitterions in polar and non polar solvents. In spite of their very different solvatochromic behaviors, both compounds present a sharp enhancement of the quadratic hyperpolarizability on increasing the solvent polarity.

Citation Download Citation

Alain F. Fort, Claude Runser, Marguerite Barzoukas, Catherine Combellas, C. Suba, and Andre Thiebault "Solvent-dependent quadratic hyperpolarizabilities of two zwitterions", Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); https://doi.org/10.1117/12.187499

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