Reactions of Protonated Water Clusters H^+(H_2O)_n (n=2 and 4) with D_2O, Acetonitrile, Acetone, DMS, DMSO, and Pyridine

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Reaction cross sections, σ<sub>r</sub>, for reactions of protonated water clusters, H<sup>+</sup>(H<sub>2</sub>O)<sub><i>n</i></sub> (<i>n</i> = 2 and 4), with various compounds (<i>i.e.</i>, X = D<sub>2</sub>O, acetonitrile, acetone, dimethyl sulfide (DMS), dimethylsulfoxide (DMSO), and pyridine) were measured at the collision energies of 0.05−2.0 eV by using a guided ion beam apparatus. It was found that the σ<sub>r</sub>s of H<sup>+</sup>(H<sub>2</sub>O)<sub>2</sub> were larger than those of H<sup>+</sup> (H<sub>2</sub>O)<sub>4</sub> when the proton affinity of X was almost equal to or greater than that of (H<sub>2</sub>O)<sub>2</sub>. In such cases, the dominant reaction products were in the form of H<sup>+</sup>X. These findings suggest that the enhancement of σ<sub>r</sub> at <i>n</i> = 2 was due to a reaction pathway in which a proton is transferred directly from H<sup>+</sup>(H<sub>2</sub>O)<sub>2</sub> to X without forming an intermediate complex.

収録刊行物

  • 質量分析 = Mass spectroscopy

    質量分析 = Mass spectroscopy 52(5), 271-276, 2004-10-01

    一般社団法人 日本質量分析学会

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各種コード

  • NII論文ID(NAID)
    10013736845
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13408097
  • NDL 記事登録ID
    7132512
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z17-213
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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