IR-High resolution spectroscopy of the N2O dimer:: The torsional mode

被引：14
|
作者：
Hecker, A [1 ]
Scheele, I [1 ]
Havenith, M [1 ]
机构：
[1] Ruhr Univ Bochum, Lehrstuhl Phys Chem 2, D-44780 Bochum, Germany
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2003年 / 5卷 / 11期
关键词：
D O I：
10.1039/b300733m
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 rotational resolved IR-spectrum of the N2O-N2O van der Waals complex has been observed in the region of 2244-2252 cm(-1) using a computer controlled lead salt diode laser spectrometer. This paper reports on the first observation of a van der Waals mode in (N2O)(2). 1569 absorption lines could be assigned to the combination of the fundamental nu(3)-asymmetric stretch of N2O-monomer with the nu(tor)-van der Waals mode (torsion) of the N2O-dimer. The band origin of the spectrum is observed at nu(0) = 2247.83 cm(-1) which is 20.0 cm(-1) above the nu(3) excitation of the N2O dimer. This deviates considerably from the theoretically predicted value at 37.84 cm(-1) (C. Dutton, ref. 1).
引用
收藏
页码：2333 / 2336
页数：4
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