Dielectric and calorimetric behaviour of liquids systems containing halogenotoluenes

A study of the dielectric relaxation of the monohalogenotoluenes was carried out by measuring their dielectric constants at 2 MHz and complex dielectric permittivities at 9.23 and 15.05 GHz, in the range 293.15 – 323.15 K. The activation energies of the relaxation process, were obtained from Eyring...

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Bibliographic Details
Published in:Journal of molecular liquids 1986-06, Vol.32 (3), p.209-218
Main Authors: Fornies-Marquina, J.M., Otin, S., Embid, J.Muñoz, Losa, C.Gutierrez
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Electric and magnetic moments (and derivatives), polarizability and magnetic susceptibility
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:A study of the dielectric relaxation of the monohalogenotoluenes was carried out by measuring their dielectric constants at 2 MHz and complex dielectric permittivities at 9.23 and 15.05 GHz, in the range 293.15 – 323.15 K. The activation energies of the relaxation process, were obtained from Eyring and Bauer models at 303.15 K. On the other hand, the excess molar enthalpies of the equimolecular binary halogenotoluene + benzene mixtures, H E x=0.5, were determined and correlated with the activation energies of the pure polar components.
ISSN:0167-7322
1873-3166
DOI:10.1016/0167-7322(86)80025-3