Excess enthalpies of binary mixtures of ortho-, meta-, para-structural isomers containing aliphatic group
摘要：
To obtain further systematic information for the isomer systems, the excess molar enthalpies for binary ( o + m ), ( o + p ), ( m + p )-isomers of methoxymethylbenzene, ethylmethylbenzene, diethylbenzene, chloromethylbenzene, tolunitrile and fluorobenzonitrile, tolylacetonitrile were measured at 298.15K. In this article, the results are discussed and compared with those of previous works. The excess enthalpies of binary systems in different solid and liquid states were measured when the pure component of o -/ m -tolunitrile, fluorobenzonitrile was titrated into the prior ( o + p ) or ( m + p ) mixtures. A series calculation for the interaction energies ( IE ) between the isomers was carried out for the pair molecules by ab initio MO of Gaussian 09. Correlations between the excess enthalpies at a molar fraction of x =0.5 and the intermolecular energy are discussed.
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DOI：
10.1007/s10973-010-0743-7
被引量：
年份：
2010
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