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Reactions of carbonate radical anion with amino-carboxylate complexes of manganese(II) and iron(III) |
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| Authors: | Amir Mizrahi Eric Maimon Haim Cohen Israel Zilbermann |
| Institution: | 1. Chemistry Department, Nuclear Research Centre Negev, Beer-Sheva, Israel;2. amirmizrachi@gmail.com Israelz2003@gmail.com;4. Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel;5. Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel;6. Chemical Sciences Department and the Schlesinger Family Center for Compact Accelerators, Radiation Sources and Applications, Ariel University, Ariel, Israel |
| Abstract: | AbstractThe reaction kinetics of eight amino-carboxylate complexes of Fe(III) and Mn(II) with carbonate radical anion were studied using the pulse radiolysis method and UV-vis spectroscopy. Difference spectra revealed the formation of Fe(IV) and Mn(III) after reaction with CO3??. Spectral measurements revealed the first step to be the coordination of carbonate to the metal center. All of these led to the conclusion that the role of coordinated carbonate is essential to the electron transfer process by carbonate radical anion. |
| Keywords: | CO3?? manganese(II) iron(III) amino-carboxylate pulse radiolysis |