ENTHALPIES OF TRANSFER OF SOME NONELECTROLYTES FROM ACETONITRILE TO ACETONITRILE METHANOL MIXTURES

被引：25

作者：

COSTIGAN, A ^{[1
]}

FEAKINS, D ^{[1
]}

MCSTRAVICK, I ^{[1
]}

ODUINN, C ^{[1
]}

RYAN, J ^{[1
]}

WAGHORNE, WE ^{[1
]}

机构：

[1] NATL UNIV IRELAND UNIV COLL DUBLIN,DEPT CHEM,DUBLIN 4,IRELAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 15期

关键词：

D O I：

10.1039/ft9918702443

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The enthalpies of transfer of water, propan-1-ol, 2-methylpropan-2-ol, octan-1-ol, formamide, N-methylformamide, N,N-dimethylformamide, dimethyl sulphoxide and propylene carbonate from acetonitrile to methanol and acetonitrile-methanol mixtures are reported and analysed in terms of solvation theory. The analyses show that all of the solutes, except propylene carbonate, interact more strongly with methanol than acetonitrile, and are preferentially solvated by methanol in the mixed solvents. It is also found that the extent to which the solutes disrupt solvent-solvent bonding is greatest for the amides and dimethyl sulphoxide, which act only as hydrogen-bond acceptors, and is relatively insensitive to the size of the alkyl groups on the alcohols.

引用

页码：2443 / 2446

页数：4

共 12 条

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