‘Effective hot reaction zone’, caging energy and normalized appearance energy in ruthenium complexes |
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| Authors: | H. Matsue I. Kaneko T. Sekine K. Yoshihara |
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| Affiliation: | (1) Department of Chemistry, Faculty of Science, Tohoku University, 980 Sendai, Japan |
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| Abstract: | In contrast to the single molecule cage of Ru/acac/3 a cage involving wall molecules of RuCp2 is formed in recoil reaction of radioruthenium atoms. Enhancement of the parent yield in RuCp2 is ascribed to the larger size of the cage /effective hot reaction zone/ compared to the case of Ru/acac/3. A normalized appearance energy technique has been applied to estimate energy /AEadjx/ necessary for caging the recoil atom in RuCp2. AEadjx is about twice as large as caging energy CE. The relation of AEadjx to CE in RuCp2 is nearly the same as that of AEx to bonding energy BE in Ru/acac/3. |
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