Electrooxidative polymerization of cobalt, nickel and manganese salen complexes in acetonitrile solution
β Scribed by Fethi Bedioui; Eric Labbe; Silvia Gutierrez-Granados; Jacques Devynck
- Publisher
- Elsevier Science
- Year
- 1991
- Weight
- 391 KB
- Volume
- 301
- Category
- Article
- ISSN
- 0022-0728
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## Abstract The first row transition metal ions Mn^2+^, Co^2+^, and Ni^2+^ have been studied by classical umbrella sampling molecular dynamics simulations. The water exchange mechanisms, estimates of reaction rates, as well as structural changes during the activation process are discussed. Mn^2+^ w
The pressure-jump method has been used to determine the rate constants for the formation and dissociation of nickel(I1) and cobalt(I1) complexes with cinchomeronate in aqueous solution at zero ionic strength. The forward and reverse rate constants obtained are k, = 2.27 x lo6 M-' s-' and k, = 3.81 x
The electron transfer step of the reduction of Mn(acac)s and Co(acac)s by Fe(I1) in acetonitrile is preceded by the one-ended dissociation of an acac ligand and the formation of a binuclear bridged complex. After the electron transfer has taken place through the bridging ligand, the complex dissocia