Photocatalysis of Chloroform Decomposition by Hexachloroosmate(IV) |
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| Authors: | Laura A. Peña Patrick E. Hoggard |
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| Affiliation: | Department of Chemistry, Santa Clara University, Santa Clara, CA |
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| Abstract: | Hexachloroosmate(IV) effectively catalyzes the photodecomposition of chloroform in aerated solutions. The decomposition products are consistent with a mechanism in which excited state OsCl62− reduces chloroform, rather than one involving photodissociation of chlorine atoms. Trace amounts of ethanol or water in the chloroform lead to photosubstitution to form OsCl5(EtOH)− or OsCl5(H2O)−, neither of which is photocatalytically active. |
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