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The reactions of O((3)p) with terminal alkenes: The H2CO channel via 3,2 h-atom shiftt
Hongmei Su; Shaolei Zhao; Kunhui Liu; Tiancheng Xiang
刊名JOURNAL OF PHYSICAL CHEMISTRY A
2007-09-27
DOI10.1021/jp073993x
111期:38页:9600-9605
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]FOURIER-TRANSFORM SPECTROSCOPY ; PRODUCT BRANCHING RATIOS ; CROSSED MOLECULAR-BEAM ; OXYGEN ATOMS ; TEMPERATURE-DEPENDENCE ; VINOXY RADICALS ; O(P-3) ; OLEFINS ; PRESSURE ; KINETICS
英文摘要The step-scan time-resolved FTIR emission spectroscopy is used to characterize systematically the H2CO channel for the reactions of O(P-3) with various alkenes. IR emission bands due to the products of CO, CO2, and H2CO have been observed in the spectra. H2CO is identified to be the primary reaction product whereas CO and CO2 are secondary reaction products of O(P-3) with alkenes. A general trend is observed in which the fraction yield of the H2CO product increases substantially as the reactant alkene varies from C2H4, C3H6, 1-C4H8, iso-C4H8, to 1-C5H10. The formation mechanism of the H2CO is therefore elucidated to arise from a 3,2 H-atom shift followed by breaking of the C-1-C-2 bond in the initially formed energized diradical RCH2-CHCH2O*. The 3,2 H-atom shift may become the dominant process with the more rapid delocalization of the energy when the hydrocarbon chain of the alkene molecule is lengthened.
语种英语
WOS记录号WOS:000249655600055
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140574
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
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Hongmei Su,Shaolei Zhao,Kunhui Liu,et al. The reactions of O((3)p) with terminal alkenes: The H2CO channel via 3,2 h-atom shiftt[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2007,111(38):9600-9605.
APA Hongmei Su,Shaolei Zhao,Kunhui Liu,&Tiancheng Xiang.(2007).The reactions of O((3)p) with terminal alkenes: The H2CO channel via 3,2 h-atom shiftt.JOURNAL OF PHYSICAL CHEMISTRY A,111(38),9600-9605.
MLA Hongmei Su,et al."The reactions of O((3)p) with terminal alkenes: The H2CO channel via 3,2 h-atom shiftt".JOURNAL OF PHYSICAL CHEMISTRY A 111.38(2007):9600-9605.
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