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锌卟啉与咪唑类配体配位反应的热力学研究
引用本文:陈红卫,朱志昂,阮文娟,张智慧,陈正华,陈荣悌.锌卟啉与咪唑类配体配位反应的热力学研究[J].物理化学学报,1996,12(6):568-572.
作者姓名:陈红卫  朱志昂  阮文娟  张智慧  陈正华  陈荣悌
作者单位:Department of Chemsitry,Nankai University,Tianjin 300071
基金项目:国家自然科学基金,天津市自然科学基金
摘    要:

关 键 词:对取代四苯基卟啉锌  取代咪唑  紫外-可见光谱  配位反应  平衡常数  
收稿时间:1995-10-18
修稿时间:1996-01-02

Thermodynamic Study of Coordination Reaction of Zinc Tetraphenylporphyrins with Substituted Imidazoles
Chen Hong-Wei,Zhu Zhi-Ang,Ruan Wen-Juan,Zhang Zhi-Hui,Chen Zheng-Hua,Chen Rong-Ti.Thermodynamic Study of Coordination Reaction of Zinc Tetraphenylporphyrins with Substituted Imidazoles[J].Acta Physico-Chimica Sinica,1996,12(6):568-572.
Authors:Chen Hong-Wei  Zhu Zhi-Ang  Ruan Wen-Juan  Zhang Zhi-Hui  Chen Zheng-Hua  Chen Rong-Ti
Institution:Department of Chemsitry,Nankai University,Tianjin 300071
Abstract:Equilibrium constants for reactions of ZnT(p-X)PP(para-substituted zinc tetraphenylporphyrins) with ligands of the substituted imidazole in CH2Cl2 and several other solvents have been determined by visible spectral techniques, and Rose-Drago method. Electronic effects in metalloporphrins and effects of ligands, temperature and solvents were investigated. It was found that equilibrium constants for reactions of ZnT(p-X)PP with ligands follow Hammett equation. The changes of standard molar enthalpy△rHm and the changes of standard molar entropy △rSm of the reactions were obtainedfrom the plots of lnK vs. 1/T.
Keywords:Para-substituted zinc tetraphenylporhyrin  Substituted imidazole  UVvisible spectrum  Equilibrium constants  Coordination reaction  
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