CF₂Cl-CH₃ 的 ν(7)、ν(8) 和 ν(15) 谱带的高分辨率红外研究以及 v(8)=1 态的毫米波研究

High-Resolution Infrared Study of the nu(7), nu(8), and nu(15) Bands and Millimeter-Wave Investigation of the v(8) = 1 State of CF(2)Cl-CH(3).

作者信息

Baskakov OI, Ilyushin VV, Alekseev EA, Bürger H, Pawelke G

机构信息

Faculty of Quantum Radiophysics, Kharkov State University, Kharkov, 310077, Ukraine

出版信息

J Mol Spectrosc. 2000 Aug;202(2):285-292. doi: 10.1006/jmsp.2000.8130.

DOI:10.1006/jmsp.2000.8130

PMID:10877959

Abstract

High-resolution (Deltavarsigma = 2.3 and 2.9 x 10(-3) cm(-1)) FTIR spectra of natural and (35)Cl monoisotopic CH(3)CF(2)Cl have been recorded at -70 degrees C in the 600-1400 cm(-1) range. The bands nu(7), nu(8), and nu(15) have been rotationally analyzed for both isotopic varieties. With the help of predictions based on nu(8) parameters, the millimeter-wave spectrum of the (35)Cl species in the v(8) = 1 state has been observed and jointly fitted with the IR data. Only a small number of local perturbations have been detected in the spectra. Altogether more than 8000 IR transitions have been fitted with an experimental precision of ca. 3 x 10(-4) cm(-1). Copyright 2000 Academic Press.

摘要

已在-70摄氏度下于600 - 1400厘米⁻¹范围内记录了天然的和（³⁵）Cl单同位素CH₃CF₂Cl的高分辨率（Δν = 2.3和2.9×10⁻³厘米⁻¹）傅里叶变换红外光谱。对两种同位素变体的ν₇、ν₈和ν₁₅谱带进行了转动分析。借助基于ν₈参数的预测，观测到了处于v₈ = 1态的（³⁵）Cl物种的毫米波光谱，并将其与红外数据进行了联合拟合。在光谱中仅检测到少量局部微扰。总共8000多个红外跃迁已被拟合，实验精度约为3×10⁻⁴厘米⁻¹。版权所有2000年学术出版社。