The fingerprint regions of infrared and Raman spectra of aqueous solutions of acetic acid at concentrations of 0.3 and 0.8 mole fractions and pure solutions were compared with the calculated data for terahertz (THz) spectroscopy. A molecular-dynamics simulation of THz spectroscopy of aqueous solutions of acetic acid was presented. THz spectroscopy was shown to be informative for determining the structural reorganization of water molecules in aqueous solutions of acetic acid. Special attention was paid to the collective dynamics of water molecules depending on the concentration of acetic acid.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 88, No. 4, pp. 536–540, July–August, 2021.
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Bozorova, D.T., Gofurov, S.P., Kokhkharov, A.M. et al. Terahertz Spectroscopy of Aqueous Solutions of Acetic Acid. J Appl Spectrosc 88, 719–722 (2021). https://doi.org/10.1007/s10812-021-01230-3
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DOI: https://doi.org/10.1007/s10812-021-01230-3