Rotational diffusion and segmental motions in solutions and melts of tetraoctylammonium perchlorate

Relaxation times for the methylene carbon atoms in the aliphatic chains of tetraoctylammonium perchlorate have been measured in different solvents and in the melt. The results have then been interpreted on the basis of a theoretical model which considers the overall rotational diffusion and the inte...

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Bibliographic Details
Published in:Chemical physics 1988-07, Vol.123 (3), p.397-403
Main Authors: Coletta, F., Ferrarini, A., Nordio, P.L.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Barrier heights (internal rotation, inversion, rotational isomerism, conformational dynamics)
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:Relaxation times for the methylene carbon atoms in the aliphatic chains of tetraoctylammonium perchlorate have been measured in different solvents and in the melt. The results have then been interpreted on the basis of a theoretical model which considers the overall rotational diffusion and the internal conformational transitions in flexible chains attached to massive cores.
ISSN:0301-0104
DOI:10.1016/0301-0104(88)87049-6