The enthalpies of formation of copper(II) complexes with nicotinamide in aqueous ethanol and DMSO

被引：5
|
作者：
Kurysheva, A. S. [1 ]
Ledenkov, S. F. [1 ]
Sharnin, V. A. [1 ]
机构：
[1] Ivanovo State Univ Chem Technol, Ivanovo, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY | 2006年 / 80卷 / 08期
关键词：
D O I：
10.1134/S0036024406080127
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 complex formation between nicotinamide and copper(II) perchlorate in aqueous ethanol and dimethylsulfoxide (DMSO) were determined calorimetrically. The maximum exothermic effect was observed in a solvent with similar to 0.1 mole fractions of DMSO. The exothermic effect of complex formation increased as the concentration of ethanol grew. The role played by solvation in the thermodynamic characteristics of monoligand complex formation was considered. The influence of solvent composition on Delta H-r degrees was largely related to the resolvation of the ligand donor atom.
引用
收藏
页码：1244 / 1248
页数：5
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