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Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm
Zhou, Can-hua; Cheng, Shi-bo; Yin, Hong-ming; He, Guo-zhong
KeywordPhotodissociation Oh Radical P-aminobenzoic Acid Laser-induced Fluorescence Technique
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
2009-12-27
DOI10.1088/1674-0068/22/06/681-685
Volume22Issue:6Pages:681-685
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS Research AreaPhysics
WOS KeywordAMINO BENZOIC-ACID ; LASER-INDUCED FLUORESCENCE ; STATE DISTRIBUTION ; ACETIC-ACID ; DYNAMICS ; PRODUCT ; DISSOCIATION ; MONOMER ; DIPOLE ; SPECTROSCOPY
AbstractPhotodissociation of p-aminobenzoic acid at 266 nm was investigated by probing the nascent OH photoproduct employing the laser-induced fluorescence technique. It was found that the nascent OH radical was vibrationally cold and its rotational state distribution conformed to be a Boltzmann behavior, characterized by a rotational temperature of 1040+/-110 K. The rotational energy of OH was determined to be 8.78+/-0.84 kJ/mol. Between the two spin-orbit states of OH, (2)Pi(3/2) and (2)Pi(1/2), the former was found to be preferentially populated. The distribution of the Pi(A') state for the A-doublet was dominant. Finally, a probable mechanism for the formation of OB produced from the photodissociation of p-aminobenzoic acid is discussed.
Language英语
WOS IDWOS:000273466600021
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141402
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Can-hua,Cheng, Shi-bo,Yin, Hong-ming,et al. Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2009,22(6):681-685.
APA Zhou, Can-hua,Cheng, Shi-bo,Yin, Hong-ming,&He, Guo-zhong.(2009).Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm.CHINESE JOURNAL OF CHEMICAL PHYSICS,22(6),681-685.
MLA Zhou, Can-hua,et al."Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm".CHINESE JOURNAL OF CHEMICAL PHYSICS 22.6(2009):681-685.
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