Abstract
FT IR ATR spectra of urea/dimethyl sulfoxide and urea/diethyl sulfoxide mixtures in the S=O and N—H stretching vibration regions at different molar ratios have been measured. On the basis of the band deconvolution data, various types of intermolecular associated forms, including dimers and hydrogen-bonded urea–sulfoxide complexes, have been revealed. The latter has been confirmed also by ab initio calculations.
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Markarian, S.A., Gabrielyan, L.S. & Grigoryan, K.R. FT IR ATR Study of Molecular Interactions in the Urea/Dimethyl Sulfoxide and Urea/Diethyl Sulfoxide Binary Systems. Journal of Solution Chemistry 33, 1005–1015 (2004). https://doi.org/10.1023/B:JOSL.0000048050.47474.fc
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DOI: https://doi.org/10.1023/B:JOSL.0000048050.47474.fc