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Published August 1, 1979 | public
Journal Article

High-energy vibrational overtones of polyatomic molecules in solids: inequivalent local C–H modes and subpicosecond dephasing of naphthalene at 1.3 K


We report on the assignment of inequivalent C–H local modes in naphthalene by observation of overtones of symmetrically deuterated naphthalene (αd_4) at low temperatures (1.3–2 K). Careful lineshape analysis gives information on the dephasing of these high-energy states as inferred from homogeneous linewidths. We observe new trends in the linewidths that suggest the relative importance of local-normal and local-local mode coupling.

Additional Information

© 1979 Elsevier B.V. Received 27 March 1979, in final form 7 May 1979. This work was supported by a grant from the National Science Foundation. We thank Professors J. Jortner and B. Henry for sending us preprints of their work.

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