Low-frequency modes of aqueous alkali halide solutions: An ultrafast optical Kerr effect study

Heisler, Ismael A., Mazur, Kamila and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2011) Low-frequency modes of aqueous alkali halide solutions: An ultrafast optical Kerr effect study. The Journal of Physical Chemistry B, 115 (8). pp. 1863-1873. ISSN 1520-5207

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Abstract

The solvation of ions in aqueous media is a fundamental process in biology and chemistry. Here, we report direct time-domain observations of the hydrogen bond vibrational mode formed between a halide ion (chloride, bromide, or iodide) and the surrounding water molecules. The frequency of the hydrogen bond mode is sensitive to both the atomic weight and the concentration of the ion. The peak frequencies fall in the 125 to 175 wave-number range, a spectral region accessed through time-domain polarization-resolved coherent Raman scattering using a diffractive optic method. The polarized Raman response observed is discussed in terms of the structure of the anion’s solvation shell and modeled through calculations on water chloride clusters.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Depositing User:	Rachel Smith
Date Deposited:	23 Mar 2011 12:33
Last Modified:	24 Sep 2024 09:03
URI:	https://ueaeprints.uea.ac.uk/id/eprint/27021
DOI:	10.1021/jp111239v

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