Ro-Vibrational Spectrum of Vanadium Monoxide (VO) at 10 μm.

IF 2.7 2区 化学 Q3 CHEMISTRY, PHYSICAL
The Journal of Physical Chemistry A Pub Date : 2025-01-09 Epub Date: 2024-12-16 DOI:10.1021/acs.jpca.4c05996
Eileen Döring, Luisa Blum, Alexander A Breier, Thomas F Giesen, Guido W Fuchs
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引用次数: 0

Abstract

The high resolution ro-vibrational spectrum of the diatomic molecule vanadium oxide (VO) in the gas phase was measured around 1000 cm-1. In total, 1529 ro-vibrational transitions were assigned, in a spectral range of 984-1036 cm-1. For many transitions, the hyperfine structure resulting from the nuclear spin of 51V were resolved and the molecular parameters for the first (v = 1) and second (v = 2) excited vibrational state of VO were derived. The molecules were generated using a laser ablation source in which a vanadium rod was laser ablated and gaseous nitrous oxide (N2O) was introduced, as an oxygen donor. Subsequent supersonic adiabatic expansion cooled the molecules. The spectrum of VO was measured with quantum cascade lasers where the laser beams were perpendicularly oriented to the supersonic jet.

一氧化钒(VO)在10 μm处的反振动谱。
在1000 cm-1左右测量了双原子分子氧化钒(VO)气相的高分辨反振动谱。在984-1036 cm-1的光谱范围内,共分配了1529个反振动跃迁。对于许多跃迁,解析了由51V核自旋引起的超精细结构,并推导了VO第一(v = 1)和第二(v = 2)激发振动态的分子参数。这些分子是用激光烧蚀源生成的,在激光烧蚀源中,钒棒被激光烧蚀,气态氧化亚氮(N2O)被引入作为氧供体。随后的超音速绝热膨胀冷却了分子。用量子级联激光器测量了VO的光谱,其中激光束垂直于超音速射流。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
The Journal of Physical Chemistry A
The Journal of Physical Chemistry A 化学-物理:原子、分子和化学物理
CiteScore
5.20
自引率
10.30%
发文量
922
审稿时长
1.3 months
期刊介绍: The Journal of Physical Chemistry A is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, and chemical physicists.
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