The fifth overtones of the C-H stretching vibrations and the bond lengths in some heterocyclic compounds |
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| Authors: | Yoshihiro Mizugai Mikio Katayama |
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| Institution: | Department of Pure and Applied Sciences, College of General Education, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153, Japan |
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| Abstract: | The fifth overtones of the C-H stretching vibrations of pyridine, pyrazine, thiophene, 3-methylthiophene, furan and pyrrole in the liquid state have been observed by a thermal lens technique. It was found that their frequency shifts from that of benzene are proportional to the decrease in the relevant C-H bond length. |
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