IR-UV investigation of the structure of the 1-phenylethanol chromophore and its hydrated complexes

被引:39
作者
Le Barbu, K
Lahmani, F
Mons, M
Broquier, M
Zehnacker, A
机构
[1] Univ Paris 11, Photophys Mol Lab, F-91405 Orsay, France
[2] CEA Saclay, Serv Photons Atomes & Mol, Lab Francis Perrin, F-91191 Gif Sur Yvette, France
关键词
D O I
10.1039/b105036m
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
The structure of the 1-phenylethanol molecule and its hydrated complexes has been investigated by means of laser-induced fluorescence and IR fluorescence-dip spectroscopy in the region of the OH vibration, coupled with DFT calculations. The isolated chromophore has a gauche conformation with the OH group slightly interacting with the aromatic cycle. In the singly hydrated complex, the water molecule acts as a proton acceptor from the OH group of the chromophore and is involved as a donor in the OH-pi interaction with the aromatic ring. The 1 : 2 water complex consists of a water dimer acting as an acceptor from the OH group of 1-phenylethanol and as a donor to its aromatic ring.
引用
收藏
页码:4684 / 4688
页数:5
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