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# Dielectric properties of liquid systems: study of interactions in the systems carbon tetrachloride with benzene, toluene, and p-xylene

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### Abstract

Intermolecular associations in liquid systems of non-polar and slightly polar compounds were studied through excess molar volumes ( $V M E$ ), and excess dielectric properties ( $ε E$ and $n D 2 E$ ) for mixtures of carbon tetrachloride ( $C C l 4$ ) with benzene ( $C 6 H 6$ ), toluene ( $C 6 H 5 C H 3$ ), and p-xylene ( $p − ( C H 3 ) 2 C 6 H 4$ ). These excess properties were calculated from measurements of density ( $ρ$ ), static permittivity ( $ε$ ), and refractive index ( $n D$ ) over the whole range of concentrations, at 298.15 K. The values of the excess dielectric properties for these mixtures were fitted in two different ways, one through least squares using the Redlich–Kister equation and the other using a model developed to explain deviations from ideality. The first fit was found to be descriptive while the second gave the equilibrium constant values for the interaction products actually formed in the mixtures and the respective electronic polarizabilities and dipole moments, indicating the existence of interaction products.

### Most cited references21

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### Electric Moments of Molecules in Liquids

(1936)
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### Heats of Mixing in the System Carbon Tetrachloride-Cyclohexane-Benzene

(1959)
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• Record: found

### Trends in dielectrics research an international review from 1980 to 2004

(2006)
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### Author and article information

###### Affiliations
[1 ]Facultad de Ciencias Exactas y Naturales, Facultad de Ingeniería y Facultad de Tecnología Informática, Universidad de Belgrano-Villanueva 1324, C. P. 1426-Buenos Aires, Argentina
###### Contributors
(View ORCID Profile)
###### Journal
SOR-PHYS
ScienceOpen Research
ScienceOpen
2199-1006
19 December 2014
23 July 2015
: 0 (ID: 0880ba90-0188-49a7-9afb-568b1fb09aa5 )
: 0
: 1-9
2733:XE
10.14293/S2199-1006.1.SOR-PHYS.AVBRMV.v2

This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

###### Counts
Figures: 10, Tables: 6, References: 21, Pages: 9
###### Categories
Original article