Analysis of a tritium enhanced water spectrum between 7200 and 7245 cm-1 using new variational calculations

被引：14
作者：
Down, Michael J. [1 ]
Tennyson, Jonathan [1 ]
Hara, Masanori [2 ]
Hatano, Yuji [2 ]
Kobayashi, Kaori [3 ]
机构：
[1] UCL, Dept Phys & Astron, London WC1E 6BT, England
[2] Toyama Univ, Hydrogen Isotope Res Ctr, Toyama 9308555, Japan
[3] Toyama Univ, Dept Phys, Toyama 9308555, Japan
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 2013年 / 289卷
关键词：
Vibration-rotation spectroscopy; Water; Infrared; NEAR-INFRARED SPECTROSCOPY; MILLIMETER-WAVELENGTH; MOLECULAR-CONSTANTS; LINE LIST; TRACERS; MODE; BAND; HTO;
D O I：
10.1016/j.jms.2013.05.016
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：
A tritium enhanced water absorption spectrum previously recorded in the 7200-7245 cm(-1) region is analysed. Variational calculations for HTO predict absorption to be dominated by the 2 nu(3) vibrational band in this region. New assignment are made for HTO based on this line list with a band origin measured to be at 7236.03 cm(-1). A calculated T2O line list predicts absorption in this region to be below the experimental detection limit despite the large quantity of tritium present. From 170 lines observed 37 known (H2O)-O-16 lines are identified and 111 new HTO assignments are made. (C) 2013 Elsevier Inc. All rights reserved.
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页码：35 / 40
页数：6
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