Abstract

The normal modes and their dispersion are obtained for syndiotactic poly(4-methyl-1-pentene) in the reduced zone scheme using Wilson’s GF matrix method as modified by Higgs. Urey–Bradley force field has been used. A comparison is made with the spectra of its isotactic form to identify conformational sensitive modes and other spectral differences. Heat capacity has been calculated via density-of-states using Debye relation in the temperature range 50–330 K and compared with the experimental measurements.

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