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VUV Photodissociation Dynamics of Nitrous Oxide: The N(D-2(J=3/2,5/2)) and N(P-2(J=1/2,3/2)) Product Channels
Yuan, Daofu1,2; Yu, Shengrui1,2,4; Cheng, Wentao1,2; Xie, Ting1,2; Yang, Xueming1,2,4; Wang, Xingan1,2,3
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY A
2016-07-14
ISSN1089-5639
DOI10.1021/acs.jpca.5b12644
Volume120Issue:27Pages:4966-4972
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordN2O PHOTODISSOCIATION ; VACUUM-ULTRAVIOLET ; ORBITAL ALIGNMENT ; 130 NM ; PHOTOLYSIS ; OXYGEN ; PHOTOFRAGMENTS ; SPECTRA ; UV
AbstractWe report on an experimental study of the vacuum ultraviolet photodissociation dynamics of nitrous oxide as a function of photolysis wavelength. In this study, both the N(D-2(J)) + NO (X-2 Pi) and N(P-2(J)) + NO(X-2 Pi) product channels were investigated using the time-sliced velocity ion imaging technique. Images of the N(D-2(J=5/2,3/2)) and N(P-2(J=3/2,1/2)) products were measured at seven and ten, respectively, photolysis wavelengths between 124.44 and 133.20 nm. The vibrational states of the NO products were partially resolved in the acquired raw ion images. The total kinetic energy release and the branching ratios of different vibrational states of NO products were determined. The vibrational state distributions of NO were found to be inverted for the N(D-2(J=5/2,3/2)) and N(P-2(J=3/2,1/2)) product channels. This phenomenon indicates that the N-O bond is highly vibrational excited during the breaking of the N N bond. Vibrational state resolved anisotropic parameters beta in both the N(D-2(J)) and the N(P-2(J)) channels were acquired. The small beta values (around 0.5) in the dissociation process suggest that transition states in a bent configuration play an important role in the formation of N + NO products.
Language英语
WOS IDWOS:000379988900043
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170361
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang, Xueming; Wang, Xingan
Affiliation1.Univ Sci & Technol China, Sch Chem & Mat Sci, Ctr Adv Chem Phys, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, Sch Chem & Mat Sci, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China
3.Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, iChEM, Hefei 230026, Anhui, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning Provin, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Daofu,Yu, Shengrui,Cheng, Wentao,et al. VUV Photodissociation Dynamics of Nitrous Oxide: The N(D-2(J=3/2,5/2)) and N(P-2(J=1/2,3/2)) Product Channels[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2016,120(27):4966-4972.
APA Yuan, Daofu,Yu, Shengrui,Cheng, Wentao,Xie, Ting,Yang, Xueming,&Wang, Xingan.(2016).VUV Photodissociation Dynamics of Nitrous Oxide: The N(D-2(J=3/2,5/2)) and N(P-2(J=1/2,3/2)) Product Channels.JOURNAL OF PHYSICAL CHEMISTRY A,120(27),4966-4972.
MLA Yuan, Daofu,et al."VUV Photodissociation Dynamics of Nitrous Oxide: The N(D-2(J=3/2,5/2)) and N(P-2(J=1/2,3/2)) Product Channels".JOURNAL OF PHYSICAL CHEMISTRY A 120.27(2016):4966-4972.
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