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Formation thermodynamic parameters of nano copper (II) acetate monohydrate with 4,6-diacetylresorcinol in mixed solvents
Materials Chemistry and Physics ( IF 4.6 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.matchemphys.2020.123370
Sameh G. Sanad , Magdy Shebl

Abstract The formation thermodynamic parameters, formation constants (Kf), Gibbs free energies of formation (ΔGf), enthalpies of formation (ΔHf) and entropies of formation (ΔSf) of nano copper (II) acetate monohydrate with 4,6-diacetylresorcinol as a ligand in pure DMF and in mixed DMF - water solvents are measured in different concentrations of dimethylformamide - water mixed solvents (70% DMF, 80% DMF, 90% DMF and 100% DMF) at different temperatures, 293.15, 303.15, 313.15 and 323.15K. The data indicate that three types of complexes with metal to ligand ratios 1:2, 1:1 and 2:1 stoichiometric complexes are formed. A comparison between the thermodynamic parameters of formation for the three complexes is studied.

中文翻译:

纳米醋酸铜 (II) 一水合物与 4,6-二乙酰间苯二酚在混合溶剂中的形成热力学参数

摘要 以 4,6-二乙酰间苯二酚为原料的纳米醋酸铜 (II) 一水合物的形成热力学参数、形成常数 (Kf)、吉布斯形成自由能 (ΔGf)、形成焓 (ΔHf) 和形成熵 (ΔSf)在不同浓度的二甲基甲酰胺 - 水混合溶剂(70% DMF、80% DMF、90% DMF 和 100% DMF)中,在不同温度、293.15、303.15、313.15 和 323.15 中测量纯 DMF 和混合 DMF - 水溶剂中的配体K。数据表明,形成了金属与配体比为 1:2、1:1 和 2:1 化学计量络合物的三种类型的络合物。研究了三种配合物形成的热力学参数之间的比较。
更新日期:2020-11-01
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