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Imaging the Pair-Correlated HNCO Photodissociation: The NH(a(1)Delta) + CO(X-1 Sigma(+)) Channel
Zhang, Zhiguo1,2; Chen, Zhichao2; Huang, Cunshun2; Chen, Yang1; Dai, Dongxu2; Parker, David H.3; Yang, Xueming1,2
刊名JOURNAL OF PHYSICAL CHEMISTRY A
2014-04-03
DOI10.1021/jp500625m
118期:13页:2413-2418
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]INTERNAL ENERGY-DISTRIBUTION ; ISOCYANIC ACID HNCO ; PHOTOINITIATED DECOMPOSITION ; STATE DISTRIBUTIONS ; ELECTRONIC STATES ; AB-INITIO ; 193 NM ; DISSOCIATION ; PATHWAYS ; DYNAMICS
英文摘要The NH(a(1)Delta) + CO((XE+)-E-1) product channel for the photodissociation of HNCO at 201 nm was investigated using the sliced velocity map ion imaging technique with the detection of NH(a(1)Delta) products via (2 + 1) resonance enhanced multiphoton ionization (REMPI). Images were measured for the NH(a(1)Delta) rotational states in the ground and vibrational excited states (v = 0 and 1). Correlation between the NH(a(1)Delta) and CO rovibrational state distributions were determined from these images. Experimental results show that the vibrational distribution of the CO fragment in the NH(a(1)Delta) + CO(X-1 Sigma(+)) channel peaks at v = 1. The negative anisotropy parameter measured for the NH(a(1)Delta) (v = 0 and 1lj) products indicates a direct dissociation process for the N-C bond cleavage in the 5, state. A bimodal CO rotational distribution was observed, suggesting that HNCO dissociates in the S-1 state in two distinctive pathways.
语种英语
WOS记录号WOS:000333948100004
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145462
专题中国科学院大连化学物理研究所
作者单位1.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
3.Univ Nijmegen, Dept Mol & Laser Phys, NL-6525 ED Nijmegen, Netherlands
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GB/T 7714
Zhang, Zhiguo,Chen, Zhichao,Huang, Cunshun,et al. Imaging the Pair-Correlated HNCO Photodissociation: The NH(a(1)Delta) + CO(X-1 Sigma(+)) Channel[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2014,118(13):2413-2418.
APA Zhang, Zhiguo.,Chen, Zhichao.,Huang, Cunshun.,Chen, Yang.,Dai, Dongxu.,...&Yang, Xueming.(2014).Imaging the Pair-Correlated HNCO Photodissociation: The NH(a(1)Delta) + CO(X-1 Sigma(+)) Channel.JOURNAL OF PHYSICAL CHEMISTRY A,118(13),2413-2418.
MLA Zhang, Zhiguo,et al."Imaging the Pair-Correlated HNCO Photodissociation: The NH(a(1)Delta) + CO(X-1 Sigma(+)) Channel".JOURNAL OF PHYSICAL CHEMISTRY A 118.13(2014):2413-2418.
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