Spectroscopic evidence for surface hydronium (H3O+) ions on hydrated single crystals
- 1 May 1987
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 65 (5) , 924-927
- https://doi.org/10.1139/v87-156
Abstract
Evidence has been obtained by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) for the existence of hydronium ions on the surfaces of hydrated single crystals. The band near 1740 cm−1 due to the ν4 (e) bending vibration of the hydronium ion has been identified on silicon, germanium, thallium bromide iodide (KRS-5), and zinc selenide single crystals. The protonating capability of these hydronium ions was demonstrated with pyridine derivatives.Keywords
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