Emission observation for electronically excited state SO(c1Σ-) in gas phase

被引：19
|
作者：
Chu, YN [1 ]
Wang, HM [1 ]
Li, JQ [1 ]
Cheng, P [1 ]
Cao, DZ [1 ]
机构：
[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Lab Environm Spect, Anhua 230031, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2002年 / 366卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/S0009-2614(02)01525-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Emission spectra have been observed downstream in a flowing afterglow of the hollow-cathode discharge of an At and SO2 mixture. A progression in the 400-600 nm wavelength range is identified as being due to the SO (c(1)Sigma(-) --> X(3)Sigma(-)) transition based on experimentally derived spectroscopic data v(00) = 28 500 cm(-1), omega"(e) = 1155.5 cm(-1) and omega"(e)chi"(e) = 6.6 cm(-1), and careful comparison with the corresponding transition for SO in solid matrix environments. Such an assignment is also consistent with earlier experimental investigation of photofragment SO translation energy and previous quantum computations. This is the first emission spectrum observed for SO(c(1)Sigma(-) --> X(3)Sigma(-)) system in gas phase. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：147 / 152
页数：6
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