Photocatalysis of chloroform decomposition by hexachloroosmate(IV)

Document Type

Article

Publication Date

3-2010

Publisher

Wiley

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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