Solvation of alkaline earth metal ions in N,N-dimethylformamide and N,N-dimethylacetamide - A volumetric and acoustic study

被引：11

作者：

Warminska, Dorota ^{[1
]}

Lundberg, Daniel ^{[2
]}

机构：

[1] Gdansk Univ Technol, Fac Chem, Dept Phys Chem, PL-80233 Gdansk, Poland

[2] Swedish Univ Agr Sci, Dept Chem Biotechnol, S-75007 Uppsala, Sweden

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2016年 / 92卷

关键词：

Solvation; Apparent molar volume; Apparent molar isentropic compressibility; Alkaline earth metal ions; N; N-dimethylacetamide; N-dimethylformamide; APPARENT MOLAR VOLUMES; BINARY-MIXTURES; ISENTROPIC COMPRESSIBILITIES; HEAT-CAPACITIES; TRIFLUOROMETHANESULFONATES; ELECTROLYTES; TEMPERATURES; GADOLINIUM; LANTHANUM; LUTETIUM;

D O I：

10.1016/j.jct.2015.08.033

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Densities and sound velocities at temperatures (298.15, 303.15, 308.15, 313.15 and 318.15) K of magnesium( II), calcium(II) and strontium(II) trifluoromethanesulfonates (triflates), as well as barium(II) perchlorate in N,N-dimethylformamide (dmf) and N,N-dimethylacetamide (dma) have been measured over the composition range studied. From these results, apparent molar volumes and apparent molar isentropic compressibilities at infinite dilution, as well as expansibilities have been evaluated. The results have been discussed in terms of ion-solvent interactions and coordination number. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：108 / 117

页数：10

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