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Picosecond IR–UV pump–probe spectroscopic study of the dynamics of the vibrational relaxation of jet-cooled phenol. I. Intramolecular vibrational energy redistribution of the OH and CH stretching vibrations of bare phenol

https://hiroshima.repo.nii.ac.jp/records/2007263
https://hiroshima.repo.nii.ac.jp/records/2007263
f0ab1ac2-baa1-4932-bffd-76f73afc70a3
名前 / ファイル ライセンス アクション
JChemPhys_120_7400.pdf JChemPhys_120_7400.pdf (333.6 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Picosecond IR–UV pump–probe spectroscopic study of the dynamics of the vibrational relaxation of jet-cooled phenol. I. Intramolecular vibrational energy redistribution of the OH and CH stretching vibrations of bare phenol
言語 en
作成者 Yamada, Yuji

× Yamada, Yuji

en Yamada, Yuji

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Ebata, Takayuki

× Ebata, Takayuki

en Ebata, Takayuki

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Kayano, Masakazu

× Kayano, Masakazu

en Kayano, Masakazu

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Mikami, Naohiko

× Mikami, Naohiko

en Mikami, Naohiko

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
権利情報 Copyright (c) 2004 American Institute of Physics.
内容記述
内容記述 The intramolecular vibrational energy redistribution (IVR) of the OH stretching vibration of jet-cooled phenol-h6 (C6H5OH) and phenol-d5 (C6D5OH) in the electronic ground state has been investigated by picosecond time-resolved IR–UV pump–probe spectroscopy. The OH stretching vibration of phenol was excited with a picosecond IR laser pulse, and the subsequent temporal evolutions of the initially excited level and the redistributed ones due to the IVR were observed by multiphoton ionization detection with a picosecond UV pulse. The IVR lifetime for the OH stretch vibration of phenol-h6 was determined to be 14 ps, while that of the OH stretch for phenol-d5 was found to be 80 ps. This remarkable change of the IVR rate constant upon the dueteration of the CH groups strongly suggests that the "doorway states" for the IVR from the OH level would be the vibrational states involving the CH stretching modes. We also investigated the IVR rate of the CH stretching vibration for phenol-h6 . It was found that the IVR lifetime of the CH stretch is less than 5 ps. The fast IVR is described by the strong anharmonic resonance of the CH stretch with many other combinations or overtone bands.
言語 en
出版者
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1063/1.1668640
関連情報
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1063/1.1668640
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0021-9606
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA00694991
開始ページ
開始ページ 7400
書誌情報 Journal of Chemical Physics
Journal of Chemical Physics

巻 120, 号 16, p. 7400-7409, 発行日 2004-04-22
旧ID 18820
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