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High frequency vibrational modes of poly(dA) · poly(dT) and poly(dAT) · poly(dAT)
Author(s) -
Baret J. F.,
Carbone G. P.,
Sturm J.
Publication year - 1979
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250080602
Subject(s) - raman spectroscopy , polymer , infrared , valence (chemistry) , infrared spectroscopy , materials science , chemistry , analytical chemistry (journal) , physics , organic chemistry , optics , composite material
The Raman and infrared spectra of poly(dA) · poly(dT) and poly(dAT) · poly(dAT) have been recorded. Normal coordinate analyses have been performed for these two polymers to obtain the fundamental modes. We use a valence force field deduced from literature values and from a refinement of a diethyl phosphate potential. Non‐bonded interactions are not included. Extensive descriptions of each mode are given allowing qualitative understanding of some of the spectral difference found between the two polymers.