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Photolysis of o-Nitrobenzaidehyde in the Gas Phase: A New OH center dot Formation Channel
Cheng, Shi-Bo; Zhou, Can-Hua; Yin, Hong-Ming; Sun, Ju-Long; Han, Ke-Li
关键词Density Functional Calculations Gas-phase Reactions Photochemistry Radicals Reaction Mechanisms
刊名CHEMPHYSCHEM
2009-05-05
DOI10.1002/cphc.200800735
10期:7页:1135-1142
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]PRODUCT STATE DISTRIBUTION ; BENZOIC-ACID MONOMER ; PHOTODISSOCIATION DYNAMICS ; 193 NM ; ORTHO-NITROBENZALDEHYDE ; ATMOSPHERIC CHEMISTRY ; PHOTOCHEMISTRY ; ACETYLACETONE ; DISSOCIATION ; FLUORESCENCE
英文摘要Photolysis of gaseous o-nitrobenzalclehyde (o-NBA) with selected different excitation wavelengths (355-400 nm) is investigated, and the nascent OH radical is detected by the single-photon laser-induced fluorescence (LIF) technique. The relative quantum yield and rotational excitation of 011 formation are found to be dependent on the excitation energy. The distributions of rotational, spin-orbit, and Lambda-doublet states are obtained at 355-400 nm by analyzing the experimental data. The OH radicals are found to be vibrationally cold at all photolysis wavelengths. The spin-orbit and Lambda-doublet states have nonstatistical distributions. To understand the dissociative process involved in the OH-generating channel, DFT calculations are performed. Based on both experimental and theoretical results, possible photolysis channels of o-NBA leading to the CH fragment are proposed and discussed.
语种英语
WOS记录号WOS:000266292000021
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141624
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Cheng, Shi-Bo,Zhou, Can-Hua,Yin, Hong-Ming,et al. Photolysis of o-Nitrobenzaidehyde in the Gas Phase: A New OH center dot Formation Channel[J]. CHEMPHYSCHEM,2009,10(7):1135-1142.
APA Cheng, Shi-Bo,Zhou, Can-Hua,Yin, Hong-Ming,Sun, Ju-Long,&Han, Ke-Li.(2009).Photolysis of o-Nitrobenzaidehyde in the Gas Phase: A New OH center dot Formation Channel.CHEMPHYSCHEM,10(7),1135-1142.
MLA Cheng, Shi-Bo,et al."Photolysis of o-Nitrobenzaidehyde in the Gas Phase: A New OH center dot Formation Channel".CHEMPHYSCHEM 10.7(2009):1135-1142.
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