Simultaneous Analysis of the ν2 Raman and ν2 + ν6 Infrared Spectra of the SF6 Molecule

First High-Resolution Raman Spectrum and Analysis of the ν5 Bending Fundamental of SF6

“…Most of the details of the experimental set-up are like those reported in a previous paper on the ν 2 band of this molecule (18).…”

“…However, as we have shown in a recent review article (16) and in previous papers (17)(18)(19), the spectroscopy of this molecule, which is essential for quantitative measurements in the atmosphere, is still not very well known. The region of the ν 3 fundamental near 948 cm −1 is of particular importance since its very strong absorption is responsible for the huge greenhouse capabilities of SF 6 .…”

“…It lies in the 524 cm −1 region. Up to now, the only existing high-resolution Raman studies of SF 6 concerned the ν 2 band near 643 cm −1 (18) and the ν 1 and ν 1 + ν 3 − ν 3 bands near 775 cm −1 (21,22). The only known ν 5 Raman data are low-resolution spectra (23)(24)(25) that are insufficient to determine precise effective Hamiltonian parameters.…”

High-Resolution Spectroscopy and Analysis of the ν4 Bending Region of SF6 near 615 cm−1

“…We have contributed recently to the study of this molecule by analyzing high-resolution spectra of the 2 and 2 ϩ 6 bands (8,9).…”

Inverse R aman Spectrometry

“…87 Very recently, the SRS spectrum of this molecule has been recorded in the n 2 region. 108 A simultaneous analysis of this spectrum together with the IR data for the n 2 C n 6 band allowed the determination of the molecular constants of the v 6 D 1 state that is directly accessible neither by Raman nor by IR spectroscopy.…”