In this paper,the electric absorption spectra of axial coordination of Zn[Val-TPP] with imidazole was inverstigated.Coordination number and equilibrium constants of axial coordination reaction were measured by visible...In this paper,the electric absorption spectra of axial coordination of Zn[Val-TPP] with imidazole was inverstigated.Coordination number and equilibrium constants of axial coordination reaction were measured by visible spectra techniques.The changes of standard molar enthapy Δ rH o m and standard molar entropy Δ rS o m of reaction were obtained from the plot of lnK vs 1/T. The experimental results showed that both Δ rH o m and Δ rS o m of coordination reaction were negative values.展开更多
The electric absorption spectra of axial coordination reactions of tailed phenylalanine tetraphenylporphyrinato cobalt(Ⅱ) Co[Phe-TPP]with imidazole(Im),2 Methyl imidazole(2 MeIm) and N Methylimidazole(N MeIm) have be...The electric absorption spectra of axial coordination reactions of tailed phenylalanine tetraphenylporphyrinato cobalt(Ⅱ) Co[Phe-TPP]with imidazole(Im),2 Methyl imidazole(2 MeIm) and N Methylimidazole(N MeIm) have been studied.The standard equilibrium constant K and stoichiometric number n of reaction were measured by visible spectroscopy.The changes of standard molar enthalpy Δ rH m and standard molar entropy Δ rS m of the reaction were obtained from the plots of lnK υs 1/T.展开更多
文摘In this paper,the electric absorption spectra of axial coordination of Zn[Val-TPP] with imidazole was inverstigated.Coordination number and equilibrium constants of axial coordination reaction were measured by visible spectra techniques.The changes of standard molar enthapy Δ rH o m and standard molar entropy Δ rS o m of reaction were obtained from the plot of lnK vs 1/T. The experimental results showed that both Δ rH o m and Δ rS o m of coordination reaction were negative values.
文摘The electric absorption spectra of axial coordination reactions of tailed phenylalanine tetraphenylporphyrinato cobalt(Ⅱ) Co[Phe-TPP]with imidazole(Im),2 Methyl imidazole(2 MeIm) and N Methylimidazole(N MeIm) have been studied.The standard equilibrium constant K and stoichiometric number n of reaction were measured by visible spectroscopy.The changes of standard molar enthalpy Δ rH m and standard molar entropy Δ rS m of the reaction were obtained from the plots of lnK υs 1/T.
