Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chu, LK | en_US |
dc.contributor.author | Lee, YP | en_US |
dc.date.accessioned | 2014-12-08T15:16:20Z | - |
dc.date.available | 2014-12-08T15:16:20Z | - |
dc.date.issued | 2006-06-28 | en_US |
dc.identifier.issn | 0021-9606 | en_US |
dc.identifier.uri | http://dx.doi.org/10.1063/1.2211610 | en_US |
dc.identifier.uri | http://hdl.handle.net/11536/12125 | - |
dc.description.abstract | A step-scan Fourier-transform spectrometer coupled with a 6.4 m multipass absorption cell was employed to detect time-resolved infrared absorption spectra of the reaction intermediate CH3SO2 radical, produced upon irradiation of a flowing gaseous mixture of CH3I and SO2 in CO2 at 248 nm. Two transient bands with origins at 1280 and 1076 cm(-1) were observed and are assigned to the SO2-antisymmetric and SO2-symmetric stretching modes of CH3SO2, respectively. Calculations with density-functional theory (B3LYP/aug-cc-pVTZ and B3P86/aug-cc-pVTZ) predicted the geometry, vibrational, and rotational parameters of CH3SO2 and CH3OSO. Based on predicted rotational parameters, the simulated absorption band of the SO2-antisymmetric stretching mode that is dominated by the b-type rotational structure agrees satisfactorily with experimental results. In addition, a band near 1159 cm(-1) observed at a later period is tentatively attributed to CH3SO2I. The reaction kinetics of CH3+SO2 -> CH3SO2 and CH3SO2+I -> CH3SO2I based on the rise and decay of absorption bands of CH3SO2 and CH3SO2I agree satisfactorily with previous reports. (c) 2006 American Institute of Physics. | en_US |
dc.language.iso | en_US | en_US |
dc.title | Infrared absorption of CH3SO2 detected with time-resolved Fourier-transform spectroscopy | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1063/1.2211610 | en_US |
dc.identifier.journal | JOURNAL OF CHEMICAL PHYSICS | en_US |
dc.citation.volume | 124 | en_US |
dc.citation.issue | 24 | en_US |
dc.citation.epage | en_US | |
dc.contributor.department | 應用化學系 | zh_TW |
dc.contributor.department | 應用化學系分子科學碩博班 | zh_TW |
dc.contributor.department | Department of Applied Chemistry | en_US |
dc.contributor.department | Institute of Molecular science | en_US |
dc.identifier.wosnumber | WOS:000238730600011 | - |
dc.citation.woscount | 19 | - |
Appears in Collections: | Articles |
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