Abstract
Irradiation (λ > 320 nm) of ferrocene in chloroform causes decomposition of chloroform and the accumulation of HCl, CCl3OOH, and C2Cl6. This appears to occur initially through a cycle in which (a) ferrocene is oxidized to ferrocenium and tetrachloroferrate ions, (b) FeCl4 − undergoes photodissociation, and (c) ferrocenium reoxidizes the chloroferrate(II) species. On extended photolysis, the concentrations of CCl3OOH and FeCl4 − build up and a competing cycle in which FeCl4 − is restored through oxidation of the chloroferrate(II) species by CCl3OOH accelerates the decomposition rate.
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This research was supported by the U.S. National Science Foundation through grant CHE-0749681.
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Peña, L.A., Seidl, A.J., Cohen, L.R. et al. Ferrocene/ferrocenium ion as a catalyst for the photodecomposition of chloroform. Transition Met Chem 34, 135–141 (2009). https://doi.org/10.1007/s11243-008-9169-5
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DOI: https://doi.org/10.1007/s11243-008-9169-5