Coordination Properties of Ga, In, and Tl Tetraphenylporphine Complexes in Reactions with Nitrogen-containing Extra Ligands

被引：0
作者：
S. V. Zaitzeva
S. A. Zdanovich
T. A. Ageeva
O. A. Golubchikov
机构：
[1] Russian Academy of Sciences,Institute of Solution Chemistry
[2] Ivanovo State University of Chemical Engineering,undefined
来源：
Russian Journal of General Chemistry | 2003年 / 73卷
关键词：
Titration; Pyridine; Imidazole; Gibbs Energy; Porphyrin;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The formation of Ga3+, In3+, and Tl3+ tetraphenylporphine mixed-ligand complexes (X)MTPP + L = (X)M(L)TPP (X = Cl-, AcO-, acac-; L = N-methylimidazole, imidazole, pyridine, 3,5-dimethylpyrazole, dimethylformamide) in chloroform was studied by spectrophotometric titration and quantum-chemical calculations. The stability of the Ga, In, and Tl porphyrin extra complexes was found to depend on the nature of the acido and nitrogen-containing ligands. The geometric and energetic characteristics of the complexes of six-coordinate gallium and indium porphyrins were calculated. Correlations between calculated and experimental energies of formation and Gibbs energies were found. The cis- and trans-effects of ligands in the extra complexes of metal porphyrins were explained.
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页码：145 / 150
页数：5
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