Journal
VIBRATIONAL SPECTROSCOPY
Volume 23, Issue 2, Pages 253-262Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0924-2031(00)00069-2
Keywords
matrix isolation; infrared spectra; nitric acid; sulfur bases
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Complexes formed by dimethylsulfide (DMS), dimethyldisulfide (DMDS) and hydrogen sulfide (H2S) with nitric acid have been observed and characterised in argon and nitrogen matrices. The spectra show that in all studied systems the HNO3 molecule is hydrogen bonded to sulfur atom of the base molecule. The strength of interaction as evidenced by the shifts in the v(1) OH modes of nitric acid decreases in the following order: DMS-HNO3, DMDS-HNO3, H2S-HNO3. The possible structure of the studied complexes is discussed. (C) 2000 Elsevier Science B.V. All rights reserved.
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