Infrared diode laser spectroscopy of the He-N2O van der Waals complex in the 1285 cm-1 region

被引：12
|
作者：
Zhu, Desheng [1 ]
Wang, Ruibo [1 ]
Zheng, Rui [1 ]
Huang, Guangming [1 ]
Duan, Chuanxi [1 ]
机构：
[1] Huazhong Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 2009年 / 253卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Rovibrational spectrum; He-N2O; van der Waals complex; POTENTIAL-ENERGY SURFACE; QUADRUPOLE HYPERFINE-STRUCTURE; ROTATIONAL SPECTRUM; ROVIBRATIONAL SPECTRA; AR-N2O; NE-N2O; DIMER;
D O I：
10.1016/j.jms.2008.10.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The rovibrational spectrum of the He-N2O van der Waals complex has been recorded in the N2O-monomer nu(1) region (similar to 1285 cm(-1)) using an infrared tunable diode laser spectrometer in conjunction with a free supersonic jet expansion and an astigmatic multi-pass absorption cell. Twenty-two lines are assigned to the nu(2)-band of He-N2O. Rotational constants for the nu(2)-excited state are derived. The band-origin of the spectrum is determined to be nu(0) = 1285.0666(7) cm(-1) and shows a blue-shift of 0.1633(8) cm(-1) compared with the N2O nu(1)-band origin. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：88 / 91
页数：4
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