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pubmed-article:20615988pubmed:issue29lld:pubmed
pubmed-article:20615988pubmed:dateCreated2010-7-21lld:pubmed
pubmed-article:20615988pubmed:abstractTextCrossed molecular beam experiments and accurate quantum scattering calculations have been carried out for the polyatomic H + CD(4) --> HD + CD(3) reaction. Unprecedented agreement has been achieved between theory and experiments on the energy dependence of the integral cross section in a wide collision energy region that first rises and then falls considerably as the collision energy increases far over the reaction barrier for this simple hydrogen abstraction reaction. Detailed theoretical analysis shows that at collision energies far above the barrier the incoming H-atom moves so quickly that the heavier D-atom on CD(4) cannot concertedly follow it to form the HD product, resulting in the decline of reactivity with the increase of collision energy. We propose that this is also the very mechanism, operating in many abstraction reactions, which causes the differential cross section in the backward direction to decrease substantially or even vanish at collision energies far above the barrier height.lld:pubmed
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pubmed-article:20615988pubmed:languageenglld:pubmed
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pubmed-article:20615988pubmed:statusPubMed-not-MEDLINElld:pubmed
pubmed-article:20615988pubmed:monthJullld:pubmed
pubmed-article:20615988pubmed:issn1091-6490lld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:YuenK WKWlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:SuhN PNPlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:ZhangWeiqingWlld:pubmed
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pubmed-article:20615988pubmed:authorpubmed-author:CollinsMichae...lld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:ZhouYongYlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:JiangBoBlld:pubmed
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pubmed-article:20615988pubmed:authorpubmed-author:ZhangDong HDHlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:YangXuemingXlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:DaiDongxuDlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:WuGuorongGlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:XieZhenZlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:BraamsBastiaa...lld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:LilingZhangZlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:LuYunpengYlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:FuBinaBlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:PanHuilinHlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:ShuaiQuanQlld:pubmed
pubmed-article:20615988pubmed:authorpubmed-author:LeeSoo-YingSYlld:pubmed
pubmed-article:20615988pubmed:issnTypeElectroniclld:pubmed
pubmed-article:20615988pubmed:day20lld:pubmed
pubmed-article:20615988pubmed:volume107lld:pubmed
pubmed-article:20615988pubmed:ownerNLMlld:pubmed
pubmed-article:20615988pubmed:authorsCompleteYlld:pubmed
pubmed-article:20615988pubmed:pagination12782-5lld:pubmed
pubmed-article:20615988pubmed:dateRevised2011-7-20lld:pubmed
pubmed-article:20615988pubmed:year2010lld:pubmed
pubmed-article:20615988pubmed:articleTitleDepression of reactivity by the collision energy in the single barrier H + CD4 -> HD + CD3 reaction.lld:pubmed
pubmed-article:20615988pubmed:affiliationState Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China.lld:pubmed
pubmed-article:20615988pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:20615988pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed