High resolution laser diode spectroscopy of the hot bands of C2HD in the first overtone region of C-H stretching

被引：0

作者：

Plastinina, D. M. ^{[1
,2
]}

Lipskaya, A. S. ^{[1
,3
]}

Chesnokov, E. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Voevodsky Inst Chem Kinet & Combust, Siberian Branch, 3 Intitutskaya St, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, 1 Pirogova St, Novosibirsk 630090, Russia

[3] Novosibirsk State Tech Univ, 20 Pr K Marksa, Novosibirsk 630073, Russia

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2024年 / 406卷

基金：

俄罗斯科学基金会;

关键词：

Mono-deuterated acetylene; Hot bands; First overtone; Laser diode spectroscopy; Ro-vibrational lines; l; -; doubling; INFRARED-SPECTRUM; (C2HD)-C-12;

D O I：

10.1016/j.jms.2024.111955

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 frequencies of C2HD hot bands ro-vibrational lines of the first overtone of C-H stretching were measured using tunable diode lasers. To expand the measuring range to the region of the large rotational numbers, a heated gas cell was used. Measurements were made in the range R1-R36 and P2-P14 for the transition (2,0,0,1,0) <- (0,0,0,1,0), and in the range R1-R18 for the transition (2,0,0,0,1) <- (0,0,0,0,1). The rotational parameters of the upper and lower states for the band (2,0,0,1,0) <- (0,0,0,1,0) were determined. The doublet structure of ro-vibrational lines was studied. For the transition (2,0,0,1,0) <- (0,0,0,1,0), a sharp increase in the splitting value was detected at J > 25.

引用

页数：5

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