Kinetics and mechanism of the gas phase reaction of Cl atoms with iodobenzene期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Kinetics and mechanism of the gas phase reaction of Cl atoms with iodobenzene

Authors:	M P Sulbaek Andersen D A Ponomarev O J Nielsen M D Hurley and T J Wallington

Institution:	^a Department of Chemistry, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark ^b St. Petersburg Forest Technical Academy, 194021 St. Petersburg, Russia ^c Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark ^d Ford Research Laboratory, SRL-3083, Ford Motor Company, P.O. Box 2053, Dearborn, MI 48121-2053, USA

Abstract:	Smog chamber/FTIR techniques were used to study the kinetics and mechanism of the reaction of Cl atoms with iodobenzene (C₆H₅I) in 20–700 Torr of N₂, air, or O₂ diluent at 296 K. The reaction proceeds with a rate constant k(Cl+C₆H₅I)=(3.3±0.7)×10^?11 cm³ molecule^?1 s^?1 to give chlorobenzene (C₆H₅Cl) in a yield which is indistinguishable from 100%. The title reaction proceeds via a displacement mechanism (probably addition followed by elimination).

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