Abstract
In situ Raman and Fourier transform infrared (FTIR-NIR) spectroscopic studies on tetrahydrofuran (THF-C 4H 8O) clathrate hydrate (CH) were reported. The Raman results in lattice (64 cm −1), ring breathing and C–H stretching mode regions are in conformity with earlier reports, while the FTIR (NIR) studies in second order mode region were reported for the first time. Comparison of the results indicate that the band assigned to ring breathing mode around 922 cm −1 (in Raman) and corresponding second order mode in NIR around 4295 cm −1 broadens and shifts in enclathrated THF. The ring breathing mode at lower temperatures ( T < 120 K) is highly asymmetric and splits into two and are due to different host–guest interactions at lower temperatures.
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Schedule a callMore From: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
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