Study of the 15N14N18O absorption bands in the 4200-6500 cm-1 region

被引：2
|
作者：
Sinitsa, L. N. [1 ]
Serdyukov, V., I [1 ]
Perevalov, V., I [1 ]
机构：
[1] VE Zuev Inst Atmospher Opt SB RAS, 1 Academician Zuev Sq, Tomsk, Russia
来源：
MOLECULAR PHYSICS | 2022年 / 120卷 / 15-16期
关键词：
(NNO)-N-15-N-14-O-18; Fourier transform spectroscopy; high resolution; line position; spectroscopic constants; VIBRATION-ROTATION BANDS; (NNO)-N-14-N-15-O-16; SPECTROSCOPY;
D O I：
10.1080/00268976.2022.2078744
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：
Five bands of (NNO)-N-15-N-14-O-18 nitrous oxide isotopologue were detected in the 4200-6500 cm(-1) region with a Bruker IFS-125M Fourier transform spectrometer using a sample composed of NO (80% of (NO)-N-15-O-18 and 20% of (NO)-N-14-O-16) and a trace amount of N2O isotopologues. The line positions of these bands were measured to the uncertainties of 0.001 cm(-1). The spectroscopic constants were fitted using the measured line positions. The root mean squares of the residuals (RMS) of the fits (0.0005 cm(-1) 0.0027 cm(-1)) were close to the experimental uncertainties. Four bands, nu(1) + 2 nu(0)(2) + nu(3), 4 nu(1), 2 nu(1) + 2 nu(0)(2) + nu(3), and nu(1)(2) + 2 nu(3) - nu(1)(2), were observed for the first time. The line positions of the 2v 3 band were determined with a smaller uncertainty than in (A. W. Mantz, K. Narahari Rao, L.H. Jones, R.M. Potter. J. Mol. Spectrosc. 30, 513 (1969)).
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页数：5
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