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Multichannel reaction of C2Cl3+O-2 studied by time-resolved Fourier transform infrared emission spectroscopy
Tiancheng Xiang; Kunhui Lin; Shaolei Zhao; Hongmei Su; Fanao Kong; Baoshan Wang
刊名JOURNAL OF PHYSICAL CHEMISTRY A
2007-09-27
DOI10.1021/jp074058c
111期:38页:9606-9612
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]MOLECULAR-OXYGEN ; ENERGY-TRANSFER ; RADICALS ; KINETICS ; O-2 ; PHOTOLYSIS ; CO2
英文摘要The multichannel reaction of the C2Cl3 radical with O-2 has been studied thoroughly by step-scan time-resolved Fourier transform infrared emission spectroscopy. Vibrationally excited products Of Cl2CO, CO, and CO2 are observed and three major reaction channels forming respectively CICO + Cl2CO, CO + CCl3O, and CO2 + CCl3 are identified. The vibrational state distribution of the product CO is derived from the spectral fitting, and the nascent average vibrational energy of CO is determined to be 59.9 kJ/mol. A surprisal analysis is applied to evaluate the vibrational energy disposal, which reveals that the experimentally measured CO vibrational energy is much more than that predicted by statistical model. Combining previous ab initio calculation results, the nonstatistical dynamics and mechanism are characterized to be barrierless addition-elimination via short-lived reaction intermediates including the peroxy intermediate C2Cl3OO* and a crucial three-member-ring COO intermediate.
语种英语
WOS记录号WOS:000249655600056
引用统计
被引频次:7[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/321008/140498
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
2.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
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Tiancheng Xiang,Kunhui Lin,Shaolei Zhao,et al. Multichannel reaction of C2Cl3+O-2 studied by time-resolved Fourier transform infrared emission spectroscopy[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2007,111(38):9606-9612.
APA Tiancheng Xiang,Kunhui Lin,Shaolei Zhao,Hongmei Su,Fanao Kong,&Baoshan Wang.(2007).Multichannel reaction of C2Cl3+O-2 studied by time-resolved Fourier transform infrared emission spectroscopy.JOURNAL OF PHYSICAL CHEMISTRY A,111(38),9606-9612.
MLA Tiancheng Xiang,et al."Multichannel reaction of C2Cl3+O-2 studied by time-resolved Fourier transform infrared emission spectroscopy".JOURNAL OF PHYSICAL CHEMISTRY A 111.38(2007):9606-9612.
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