Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chen, Li-Wei | en_US |
dc.contributor.author | Hung, Ching-Ming | en_US |
dc.contributor.author | Matsui, Hiroyuki | en_US |
dc.contributor.author | Lee, Yuan-Pern | en_US |
dc.date.accessioned | 2019-04-03T06:37:09Z | - |
dc.date.available | 2019-04-03T06:37:09Z | - |
dc.date.issued | 2017-01-12 | en_US |
dc.identifier.issn | 2045-2322 | en_US |
dc.identifier.uri | http://dx.doi.org/10.1038/srep40105 | en_US |
dc.identifier.uri | http://hdl.handle.net/11536/133038 | - |
dc.description.abstract | The reaction Cl + isobutene (i-C4H8) was reported by Suits et al. to proceed via, in addition to abstraction, an addition-elimination path following a roaming excursion of Cl; a near-zero translational energy release and an isotropic angular distribution observed at a small collision energy characterized this mechanism. We employed a new experimental method to further characterize this roaming mechanism through observation of the internal distribution of HCl (v, J) and their temporal behavior upon irradiation of a mixture of Cl2C2O2 and i-C4H8 in He or Ar buffer gas. With 1-3 Torr buffer gas added to approach the condition of small collision energy, the intensities of emission of HCl (v = 1, 2) and the HCl production rates increased significantly; Ar shows a more significant effect than He because Ar quenches Cl more efficiently to reduce the collisional energy and facilitate the roaming path. According to kinetic modeling, the rate of addition-elimination (roaming) increased from k(E) approximate to 2 x 10(5) s(-1) when little buffer gas was present to similar to 1.9 x 106 s(-1) when 2-3 Torr of Ar was added, and the branching ratio for formation of [HCl (v = 2)]/[ HCl (v = 1)] increased from 0.02 +/- 0.01 for abstraction to 0.06 +/- 0.01 for roaming. | en_US |
dc.language.iso | en_US | en_US |
dc.title | New experimental evidence to support roaming in the reaction Cl plus isobutene (i-C4H8) | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1038/srep40105 | en_US |
dc.identifier.journal | SCIENTIFIC REPORTS | en_US |
dc.citation.volume | 7 | en_US |
dc.citation.spage | 0 | en_US |
dc.citation.epage | 0 | 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:000392115400001 | en_US |
dc.citation.woscount | 1 | en_US |
Appears in Collections: | Articles |
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