The solvolysis oftrans-[Co(4-Mepy)4Cl2]ClO4 in water-methanol mixtures |
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Authors: | Ibrahim M Sidahmed Amel M Ismail |
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Institution: | (1) Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt |
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Abstract: | Summary The solvolysis of thetrans-Co(4-Mepy)4Cl2]ClO4 complex was studied in 0 to 70% v/v H2O: MeOH mixtures at 40, 45, 50 and 55 °C. The high negative S* values found for the complex cation under investigation, relative to that oftrans- Co(py)4Cl2]+ reported in the literature, were attributed to the substituent methyl groups. The free energies of transfer of both the ground and the transition states were calculated from which the dominant effect of the solvent on the transition state is apparent. |
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