Infrared photodissociation spectroscopy of aniline+-(water)1.2 and aniline+-(methanol)1.2

被引:17
作者
Honkawa, Y
Inokuchi, Y
Ohashi, K [1 ]
Nishi, N
Sekiya, H
机构
[1] Kyushu Univ, Fac Sci, Dept Chem, Fukuoka 8128581, Japan
[2] Kyushu Univ, Grad Sch Sci, Dept Mol Chem, Fukuoka 8128581, Japan
[3] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
关键词
D O I
10.1016/S0009-2614(02)00641-3
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Infrared photodissociation spectra of the aniline ion solvated by water and methanol molecules are measured in the 2600-3800 cm(-1) region. Substantially red-shifted and broadened transitions are distinctly observed at 3105 and 2915 cm(-1) for aniline(+)-(H2O)(1) and aniline(+)-(CH3OH)(1), respectively, and assigned to the stretching vibration of the hydrogen-bonded NH oscillator of the aniline(+) moiety. The spectra of aniline(+)-(H2O)(2) and aniline(-)-(CH3OH)(2) demonstrate a large perturbation to both of the NH oscillators, indicating that each NH bond is bound to a solvent molecule in the most stable structure. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码:419 / 425
页数:7
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