Photofragment translational spectroscopy at 304 nm from C-H symmetric stretch excited CH3I [v (1)=1]

	Photofragment translational spectroscopy at 304 nm from C-H symmetric stretch excited CH3I [v (1)=1]
	Zhou ZhiMin ; Hu LiLi ; Dong ChangWu ; Zhang LiJuan ; Liu Sheng ; Du YiKui ; Cheng Min 1; Zhu QiHe
刊名	science china-chemistry
	2014-06-01
卷号	57 期号:6 页码:902-910
关键词	photodissociation methyl iodide excited vibrational state photofragment translational spectrum (PTS)
英文摘要	the 304 nm photodissociation of the c-h symmetric stretch excited ch3i [v (1) = 1, v (2) = 0] (v (1) denotes the c-h symmetric stretch mode, and v (2) denotes the umbrella mode) is studied with our simple photofragment translational spectrometer. an ir laser is used to excite the ground state ch3i [0, 0] to the c-h symmetric stretch excited ch3i [1, 0]. with ir laser off and on, the fractions of photofragments ch3 (nu (1), nu (2)) from the 304 nm photodissociation of ch3i [1, 0] have been determined through the photofragment translational spectra (pts) from measuring i and i* and also through the pts from measuring ch3 (0, 0) (1, 0) (0, 1) and (1, 1). the experimental results show that the c-h symmetric stretch vibration (v (1) = 1) in parent molecules is about 66% retained in the photofragments in the i channel, but only 24% in the i* channel. the populations of photofragments ch3 (0, 2) and (0, 3) are higher than ch3 (0, 0) and (0, 1), showing strong inverted population both in i and i* channels.
WOS标题词	science & technology ; physical sciences
类目[WOS]	chemistry, multidisciplinary
研究领域[WOS]	chemistry
关键词[WOS]	methyl-iodide ; ab-initio ; photodissociation ; dynamics ; energy ; band ; resolution ; star
收录类别	SCI
语种	英语
WOS记录号	WOS:000336747700015
公开日期	2016-05-09
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/145413]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.Chinese Acad Sci, Natl Lab Mol Sci, Beijing 100190, Peoples R China 2.Chinese Acad Sci, State Key Lab Mol React Dynam, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhou ZhiMin,Hu LiLi,Dong ChangWu,et al. Photofragment translational spectroscopy at 304 nm from C-H symmetric stretch excited CH3I [v (1)=1][J]. science china-chemistry,2014,57(6):902-910.
APA	Zhou ZhiMin.,Hu LiLi.,Dong ChangWu.,Zhang LiJuan.,Liu Sheng.,...&Zhu QiHe.(2014).Photofragment translational spectroscopy at 304 nm from C-H symmetric stretch excited CH3I [v (1)=1].science china-chemistry,57(6),902-910.
MLA	Zhou ZhiMin,et al."Photofragment translational spectroscopy at 304 nm from C-H symmetric stretch excited CH3I [v (1)=1]".science china-chemistry 57.6(2014):902-910.