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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >CHF↓(2)CI and CH↓(3)CF↓(2)Cl Detection by Coherent Anti-Stokes Raman Scattering and Photoacoustic Raman Spectroscopy
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CHF↓(2)CI and CH↓(3)CF↓(2)Cl Detection by Coherent Anti-Stokes Raman Scattering and Photoacoustic Raman Spectroscopy

机译:相干反斯托克斯拉曼散射和光声拉曼光谱法检测CHF↓(2)CI和CH↓(3)CF↓(2)Cl

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摘要

The coherent anti-Stokes Raman scattering (CARS) and photoacoustic Raman spectroscopy (PARS) spectra of gaseous CHF↓(2)Cl and CH↓(3)CF↓(2)C1 in the 3000 cm↑(-1) region are reported for the first time. Several vibrational bands are observed related to C-H stretch fundamentals of CHF↓(2)C1 isotopomers, and to CH↓(3) stretches and the first overtone of CH↓(3) deformation of CH↓(3)CF↓(2)C1. The simultaneous detection of CARS/PARS signals aids the assignment of the isotopomer bands. Both methods are appropriate for detection of these compounds and can be applied in chemical dynamics studies.
机译:报告了气态CHF↓(2)Cl和CH↓(3)CF↓(2)C1在3000 cm↑(-1)区域的相干抗斯托克斯拉曼散射(CARS)和光声拉曼光谱(PARS)光谱首次。观察到几个与CHF↓(2)C1异构体的CH拉伸基本原理相关的振动带,以及与CH↓(3)拉伸和CH↓(3)CH↓(3)CF↓(2)C1变形的第一泛音相关的振动带。 。同时检测CARS / PARS信号有助于分配同位素异构体。两种方法均适用于检测这些化合物,并可应用于化学动力学研究。

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