2003年8月
Collisional reaction of water cluster cations (H2O)(n)(+) (n=2 and 3) with D2O
CHEMICAL PHYSICS LETTERS
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- 巻
- 377
- 号
- 1-2
- 開始ページ
- 37
- 終了ページ
- 42
- 記述言語
- 英語
- 掲載種別
- DOI
- 10.1016/S0009-2614(03)01085-6
- 出版者・発行元
- ELSEVIER SCIENCE BV
Collisional reactions of size- and energy-selected unprotonated water clusters (H2O)(n)(+) (n = 2 and 3) in a single-collision with D2O were investigated at very low collision energy ranging from 0.05 to 2.0 eV using guided-ion beam tandem mass spectrometry. First, in the unimolecular and collision-induced dissociations of (H2O)(2)(+) and (H2O)(3)(+), only the H2O+ fragment, but not the H3O+ fragment, was observed. These results suggest that the structure of (H2O)(2+) is primarily hemibonded '(H2O...OH2)' rather than proton-transferred '(H3O+...OH)'. Second, the measured incorporation cross-section of (H2O)(2)(+) Was found to be smaller than that of H+(H2O)(2). From the dipole moment obtained by ab initio calculation. we found that the small values of the incorporation cross-section for (H2O)(2)(+) were caused by the small value, 0.0 debye, of the dipole moment of the cluster. (C) 2003 Elsevier B.V. All rights reserved.
- リンク情報
- ID情報
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- DOI : 10.1016/S0009-2614(03)01085-6
- ISSN : 0009-2614
- CiNii Articles ID : 80016110938
- Web of Science ID : WOS:000184680000007