High resolution spectroscopy of the v3 band of DCOOD

被引：10
|
作者：
Madeja, F [1 ]
Hecker, A [1 ]
Ebbinghaus, S [1 ]
Havenith, M [1 ]
机构：
[1] Ruhr Univ Bochum, Dept Phys Chem 2, D-44780 Bochum, Germany
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2003年 / 59卷 / 08期
关键词：
formic acid; high resolution IR spectroscopy; the v(3) band of DCOOD;
D O I：
10.1016/S1386-1425(02)00412-2
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The rotation-vibration spectrum of DCOOD has been recorded in the carbonyl stretch (nu(3)) region. Using a standard S-reduced Watson Hamiltonian in the I-T representation, 225 lines could be fitted to a vibrational-rotational band. A full set of molecular constants was obtained. The nu(3) band is found to be strongly perturbed in the K-a: 1 <-- 1 and K-a: 2 <-- 2 subband. The perturbation is attributed to a Fermi resonance with the 2nu(8) overtone band and Coriolis coupling to a combination band (nu(4) + nu(7)). The band center is determined to be 1725.1218(l) cut which is more than 10 cm shifted compared to previous studies. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1773 / 1782
页数：10
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