STUDY ON VIBRATIONAL RELAXATION DYNAMICS OF PHENOL-WATER COMPLEX BY PICOSECOND TIME-RESOLVED IR-UV PUMP-PROBE SPECTROSCOPY IN A SUPERSONIC MOLECULAR BEAM
Chemical physics 419 巻
205-211 頁
2013-06-20 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
STUDY ON VIBRATIONAL RELAXATION DYNAMICS OF PHENOL-WATER COMPLEX BY PICOSECOND TIME-RESOLVED IR-UV PUMP-PROBE SPECTROSCOPY IN A SUPERSONIC MOLECULAR BEAM
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| 作成者 |
Miyazaki Yasunori
Petković Milena
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| 収録物名 |
Chemical physics
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| 巻 | 419 |
| 開始ページ | 205 |
| 終了ページ | 211 |
| 抄録 |
A comparative study of vibrational energy relaxation (VER) between the monohydrated complexes of phenol-d0 and phenol-d1 is investigated in a supersonic molecular beam. The direct time-resolved measurement of energy redistribution from the phenolic OH/OD stretching mode of the phenol-d0-H2O/phenol-d1-D2O is performed by picosecond IR-UV pump-probe spectroscopy. Two complexes follow the same relaxation process that begins with the intramolecular vibrational energy redistribution (IVR) and the intermolecular vibrational energy redistribution (IVR), which is followed by the vibrational predissociation (VP). The difference in the relaxation lifetimes between them is discussed by anharmonic force field and RRKM calculations. Anharmonic analysis implies that intra- (IVR) and intermolecular (IVR) relaxations occur in parallel in the complexes. The RRKM-predicted dissociation (VP) lifetimes show qualitative agreement with the observed results, suggesting that VP takes place after the statistical energy distribution in the complexes.
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| 内容記述 |
This work is supported by MEXT for the Scientific Research on Priority Area “Molecular Science for Supra Functional Systems” (No. 477).
This is a postprint of an article published by Elsevier B.V. in Chemical physics, 2013, available online: http://www.sciencedirect.com/science/article/pii/S0301010413001201
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| NDC分類 |
化学 [ 430 ]
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
Elsevier B.V.
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| 発行日 | 2013-06-20 |
| 権利情報 |
Copyright (c) 2013 Elsevier B.V.
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| 出版タイプ | Author’s Original（十分な品質であるとして、著者から正式な査読に提出される版） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0301-0104
[NCID] AA00602111
[DOI] 10.1016/j.chemphys.2013.02.023
[DOI] http://dx.doi.org/10.1016/j.chemphys.2013.02.023
～の異版である
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