Intra- versus interchain interactions in α,ω-polyamines: a Raman spectroscopy study

Raman spectroscopy is used to examine the intra- and interchain interactions in aliphatic diamines H 2N (CH 2) n NH 2 ( n=2–10 and 12) and their N-deuterated derivatives, either as a function of chainlength or as a function of temperature. The intensity of the in-phase CC stretching mode divided by...

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Bibliographic Details
Published in:Vibrational spectroscopy 2004-06, Vol.35 (1), p.165-171
Main Authors: Amorim da Costa, A.M, Marques, M.P.M, Batista de Carvalho, L.A.E
Format: Article
Language:English
Subjects:
Aliphatic diamines
Raman spectroscopy
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Summary:Raman spectroscopy is used to examine the intra- and interchain interactions in aliphatic diamines H 2N (CH 2) n NH 2 ( n=2–10 and 12) and their N-deuterated derivatives, either as a function of chainlength or as a function of temperature. The intensity of the in-phase CC stretching mode divided by the integrated area of the NH or the ND stretching regions is discussed as a parameter which can be used as a quantitative measure of the average number of trans bonds in the hydrocarbon chain, while the relative intensity of the CH antisymmetric and symmetric stretching vibrations is used as a measure of the lateral packing effects of the hydrocarbon chains.
ISSN:0924-2031
1873-3697
DOI:10.1016/j.vibspec.2004.01.004