ICCAS OpenIR
Hydrogen bonds in 1,4-dioxane/ammonia binary clusters
Shi, TJ; Ge, JH; Zhang, JW; Zhu, QH
2004-05-08
Source PublicationJOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
Volume120Issue:18Pages:8453-8462
AbstractWith synchrotron radiation, we have studied the photoionization and dissociation of 1,4-dioxane/ammonia clusters in a supersonic expansion. The observed major product ions are the 1,4-dioxane cation M+ and protonated cluster ions M(NH3)(n)H+ (where M = 1,4-dioxane), and the intensities of the unprotonated cluster ions M (NH3)(n)(+) are much lower. Fully optimized geometries and energies of the neutral cluster M(NH3)2 and related cluster ions have been obtained using the ab initio molecular orbital method and density functional theory. The potential energy surface of the excited state of M(NH3)(2)(+) was also calculated. With these results, the mechanisms of different photoionization-dissociation channels have been suggested. The most probable channel is electron ejection from the highest occupied molecular orbital, followed by the dissociation into M+ and (NH3)(2). For another main channel, after removing an electron from the second highest occupied molecular orbital, the intracluster proton transfer process takes place to form the stable unprotonated cluster ion M(NH3)H+-NH2, which usually leads to the dissociated protonated cluster ion M(NH3)H+ and a radical NH2. (C) 2004 American Institute of Physics.
DOI10.1063/1.1689291
Indexed BySCI
Language英语
WOS IDWOS:000221298500015
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82238
Collection中国科学院化学研究所
Corresponding AuthorShi, TJ
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
2.Tianjin Univ, Sch Chem Engn, Dept Pharmaceut Engn, Tianjin 300072, Peoples R China
3.USTC, Natl Synchrotron Radiat Lab, Hefei 230027, Peoples R China
Recommended Citation
GB/T 7714
Shi, TJ,Ge, JH,Zhang, JW,et al. Hydrogen bonds in 1,4-dioxane/ammonia binary clusters[J]. JOURNAL OF CHEMICAL PHYSICS,2004,120(18):8453-8462.
APA Shi, TJ,Ge, JH,Zhang, JW,&Zhu, QH.(2004).Hydrogen bonds in 1,4-dioxane/ammonia binary clusters.JOURNAL OF CHEMICAL PHYSICS,120(18),8453-8462.
MLA Shi, TJ,et al."Hydrogen bonds in 1,4-dioxane/ammonia binary clusters".JOURNAL OF CHEMICAL PHYSICS 120.18(2004):8453-8462.
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