Coordination and solvation of noble metal ions: Infrared spectroscopy of Ag+(H2O)n

T. Iino, K. Ohashi, K. Inoue, K. Judai, N. Nishi, H. Sekiya

研究成果: ジャーナルへの寄稿学術誌査読

23 被引用数 (Scopus)

抄録

Vibrational spectra of mass-selected Ag+(H2O) n ions are measured by infrared photodissociation spectroscopy and analyzed with the aid of density functional theory calculations. Hydrogen bonding between H2O molecules is found to be absent for cold Ag +(H2O)3, but detected for Ag+(H 2O)4 through characteristic changes in the position and intensity of OH-stretching transitions. The third H2O coordinates directly to Ag+, but the fourth H2O prefers solvation through hydrogen bonding. The preference of the tri-coordinated form is attributed to the inefficient 5s-4d hybridization in Ag+, in contrast to the efficient 4s-3d hybridization in Cu+. For Ag +(H2O)4, however, di-coordinated isomers are identified in addition to the tri-coordinated one.

本文言語英語
ページ(範囲)37-40
ページ数4
ジャーナルEuropean Physical Journal D
43
1-3
DOI
出版ステータス出版済み - 7月 2007

!!!All Science Journal Classification (ASJC) codes

  • 原子分子物理学および光学

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