Photochemistry of Matrix Isolated (Trifluoromethyl)sulfonyl Azide, CF3SO2N3

被引：24
|
作者：
Zeng, Xiaoqing [1 ]
Beckers, Helmut [2 ]
Willner, Helge [2 ]
Neuhaus, Patrik [3 ]
Grote, Dirk [3 ]
Sander, Wolfram [3 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
[2] Berg Univ Wuppertal, FB C Anorgan Chem, D-42119 Wuppertal, Germany
[3] Ruhr Univ Bochum, Lehrstuhl Organ Chem 2, D-44780 Bochum, Germany
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2015年 / 119卷 / 11期
基金：
中国国家自然科学基金;
关键词：
SULFONYL; SPECTROSCOPY; REARRANGEMENTS; CHEMISTRY; NITRENES; CURTIUS; SINGLET; STATE; PATH;
D O I：
10.1021/jp506243s
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：
The photochemistry of matrix isolated (trifluoromethylsulfonyl) azide, CF3SO2N3, has been studied at low temperatures. Upon ArF laser irradiation (lambda = 193 nm), the azide eliminates N-2 and furnishes triplet [(trifluoromethyl)sulfonyl]nitrene, CF3SO2N, which has been characterized by IR and EPR spectroscopy. Upon subsequent UV light irradiation (lambda = 260-400 nm) the nitrene converts to CF3N=SO2 and CF3S(O)NO through a Curtius-type rearrangement. Further two new species CF2N=SO2F and FSNO were identified together with CF2NF, SO2, F2CO, CF3NO, and SO as side products. In addition, triplet nitrene CF3N was detected by its EPR and IR spectra. The complex stepwise photodecomposition of matrix isolated CF3SO2N3 is discussed in terms of the observed photolysis products and quantum chemical calculations.
引用
收藏
页码：2281 / 2288
页数：8
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