Polariton splittings of deuterated hexamethylenetetramine |
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| Institution: | Laboratoire de Physique Moléculaire et Biologique, U.E.R d''Etudes Médicales et Biologiques, Université René Descartes, 45 Rue des Saints-Pères, 75720 Paris Cedex 06, France;Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, 142432, Russia;Department of Chemistry and Biochemistry, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, United States |
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| Abstract: | The i.r. absorption spectra and the Raman scattering spectra of polycrystalline deuterated hexamethylenetetramine (HMTD) have been recorded. The longitudinal and transverse components of all the i.r. active F2 modes below 1200 cm−1 are assigned in the Raman spectra (except ω20). The observed polariton splittings have been used to determine the static dielectric constant (2.66 ± 0.035) which is the same as that for the HMT crystal. As expected, isotopic substitution does not change this macroscopic data. |
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