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Published April 16, 1981 | public
Journal Article

Observation of Large Splittings, Narrow Resonances, and Polarization Extinction in the High-Energy Overtone Spectra of Large Molecules. Experimental Tests of Locality of Excitation in Bonds


In this paper we report on several new spectral features in the high-energy overtone region of the large molecule durene in a crystal at ~2 K, in particular, large splittings, narrow resonances, and polarization extinction. The results are used to test the locality of vibrational excitation at high energies (the fifth harmonic of the CH stretch).

Additional Information

© 1981 American Chemical Society. Received: October 24, 1980; In Final Form: February 6, 1981. We thank Dr. S. Samson for his great help in guiding one of us (J.W.P.) with the X-ray crystallography. We also thank Professor M. El-Sayed (Sherman Fairchild Distinguished Scholar at Caltech), Professor W. Gelbart, and the two referees for their interest in and discussion of this problem. Finally, the contribution of Professor A. Albrecht to this work was important and is gratefully acknowledged. This material is based upon work supported in part by the National Science Foundation under Grant No. CHE79-05683.

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