Effect of Hydrogen Bond on Second-Order Nonlinear Optical Property of 2-Alkylcarboxamido-4′-methoxy-4-nitrotolan Derivatives

We have synthesized a series of 2-alkylcarboxamido-4′-methoxy-4-nitrotolan derivatives and studied the second-order nonlinear optical properties using the total reflection technique. We measured the infrared absorption spectra of the derivatives and examined the absorption peak of the N–H stretching...

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Bibliographic Details
Published inBulletin of the Chemical Society of Japan Vol. 70; no. 3; pp. 583 - 585
Main Authors Kato, Midori, Okunaka, Masaaki, Sugita, Nami, Kiguchi, Masashi, Taniguchi, Yoshio
Format Journal Article
LanguageEnglish
Published TOKYO The Chemical Society of Japan 01.03.1997
Chemical Soc Japan
Chemical Society of Japan
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
2ND-HARMONIC GENERATION
CRYSTALS
DIPOLE-MOMENT
HYPERPOLARIZABILITIES
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Summary:We have synthesized a series of 2-alkylcarboxamido-4′-methoxy-4-nitrotolan derivatives and studied the second-order nonlinear optical properties using the total reflection technique. We measured the infrared absorption spectra of the derivatives and examined the absorption peak of the N–H stretching vibration around 3300 cm−1, which is sensitive to hydrogen bonding. We observed that the peak frequencies of the nonlinear optical active materials were lower than those of the inactive ones, and thus found that for 2-alkylcarboxamido-4′-methoxy-4-nitrotolan derivatives the hydrogen bond plays an important role in activating the second-order optical nonlinearity of the material.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.70.583