Isotopic shifts due to heavy and very heavy atom substitution: a new sum rule and on the sensitivity of force constants to very small frequency shifts |
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Authors: | A Müller N Mohan F Kniger |
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Institution: | Institute of Chemistry, University of Dortmund, 46 Dortmund W. Germany |
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Abstract: | IR and Raman spectra of dihydro-9,10 anthracene and dihydroanthracene-D4(9,10) have been investigated in the 3100 to 100 cm?1 region; an assignment is given. Spectra are interpreted in terms of a molecule composed of two ortho disubstituted benzene rings very similar to that of o-xylene. The symmetry of the dihydro-9,10 anthracene molecule in solution is discussed. The differences with respect to anthracene spectra are correlated with the electronic structure of the latter compound. |
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