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Citation: Li Qiang, Li Hong-Zhi, Kong Fan-Ao. UV Photolysis of Oxalyl Chloride and 2,3-butanedione Studied by Time-resolved FTIR[J]. Acta Physico-Chimica Sinica, ;1999, 15(03): 259-264. doi: 10.3866/PKU.WHXB19990312 shu

UV Photolysis of Oxalyl Chloride and 2,3-butanedione Studied by Time-resolved FTIR

1.
The State Key Laboratory of Molecular Reaction Dynamics,Insititute of Chemistry,Chinese Academy of Science,Beijing 100080

Received Date: 25 March 1998
Available Online: 15 March 1999

The photodissociation of oxalyl chloride and 2,3 butanedione at 193nm and 248nm have been studied by Time resolved FTIR emission spectroscopy. The IR fluorescence emission was observed and the rotational and vibrational populations of the CO product were obtained. It is suggested that the photolysis mechanism is two RCO radicals formed via a fission of C-C bond, followed by a decomposition of the RCO intermediate to vibrationally excited CO( v ) and R radical.
- Oxalyl chlorde,
- 2,3-butanedione,
- UV photolysis,
- IR emission spectrum
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