THE 2-NU(8)-BAND OF CH3CN

被引：10
|
作者：
KOIVUSAARI, M
TOLONEN, AM
PASO, R
SCHRODERUS, J
ANTTILA, R
机构：
[1] Department of Physics, University of Oulu, SF 90570 Oulu, Linnanmaa
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 1993年 / 160卷 / 02期
关键词：
D O I：
10.1006/jmsp.1993.1202
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 overtone band 2ν08 of CH3CN around 720 cm-1 has been measured on a Bruker Fourier transform spectrometer at a resolution of 0.003 cm-1. Only the parallel band was observed, but due to the l(2, 2) resonance, ΔK = -2 lines leading to the v8 = 2, l8 = -2 levels with K = 1-3 could be seen. More information for the l8 = ±2 component of the vibrational state v8 = 2 was evaluated from the hot band 2ν±28 - ν±18. Altogether more than 1000 lines were assigned. In the fit pure rotational lines from literature were also combined. Among the results the anomalous A0 - A′ values 4.6722(13) × 10-3 cm-1 for the 2ν08 band and 7.0324(32) × 10-3 cm-1 for the 2ν±28 band are striking. © 1993 Academic Press, Inc.
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收藏
页码：566 / 573
页数：8
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