The stability constant, enthalpy, and etropy changes of complexation of Zn(Ⅱ) ion with sulfur-containing podand ligands such as tri (phenylthio-2-ethyl)amine (Podand Ⅰ_, tri(benzylmercapto-2-ethyl)amine (Podand Ⅱ). and tetra(phenylthio-2-ethyl)e...
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다국어 초록 (Multilingual Abstract)
The stability constant, enthalpy, and etropy changes of complexation of Zn(Ⅱ) ion with sulfur-containing podand ligands such as tri (phenylthio-2-ethyl)amine (Podand Ⅰ_, tri(benzylmercapto-2-ethyl)amine (Podand Ⅱ). and tetra(phenylthio-2-ethyl)e...
The stability constant, enthalpy, and etropy changes of complexation of Zn(Ⅱ) ion with sulfur-containing podand ligands such as tri (phenylthio-2-ethyl)amine (Podand Ⅰ_, tri(benzylmercapto-2-ethyl)amine (Podand Ⅱ). and tetra(phenylthio-2-ethyl)ethylenediamine (Podand Ⅲ) have been determined by using potentiometric titration in 95% MeOH at various temperature.
From the results, the followings have been obtained. Zn(Ⅱ) ion forms a Ⅰ : 1 complex with these ligands, the order of protonation constants, stability constants, and entropy changes is Podand Ⅰ < Podand Ⅱ < Podand Ⅲ ,enthalpy changes is Podand Ⅲ < Podand Ⅱ < Pdand Ⅰ.
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