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Cooperativity in ion hydration

Cooperativity in ion hydration
Cooperativity in ion hydration
Despite prolonged scientific efforts to unravel the effects of ions on the structure and dynamics of water, many open questions remain, in particular concerning the spatial extent of this effect (i.e., the number of water molecules affected) and the origin of ion-specific effects. A combined terahertz and femtosecond infrared spectroscopic study of water dynamics around different ions (specifically magnesium, lithium, sodium, and cesium cations, as well as sulfate, chloride, iodide, and perchlorate anions) reveals that the effect of ions and counterions on water can be strongly interdependent and nonadditive, and in certain cases extends well beyond the first solvation shell of water molecules directly surrounding the ion.
0036-8075
1006-1009
Tielrooij, K.J.
ed09f0a0-ce1f-4ffb-8494-2afc4f5660eb
Garcia-Araez, N.
a58274ff-997a-4bd3-bd87-37f5215f07ed
Bonn, M.
3c243c7e-312c-445b-8449-9085e5b818be
Bakker, H. J.
a66ecadd-acd6-4916-b56a-4415f7b43b3a
Tielrooij, K.J.
ed09f0a0-ce1f-4ffb-8494-2afc4f5660eb
Garcia-Araez, N.
a58274ff-997a-4bd3-bd87-37f5215f07ed
Bonn, M.
3c243c7e-312c-445b-8449-9085e5b818be
Bakker, H. J.
a66ecadd-acd6-4916-b56a-4415f7b43b3a

Tielrooij, K.J., Garcia-Araez, N., Bonn, M. and Bakker, H. J. (2010) Cooperativity in ion hydration. Science, 328 (5981), 1006-1009. (doi:10.1126/science.1183512).

Record type: Article

Abstract

Despite prolonged scientific efforts to unravel the effects of ions on the structure and dynamics of water, many open questions remain, in particular concerning the spatial extent of this effect (i.e., the number of water molecules affected) and the origin of ion-specific effects. A combined terahertz and femtosecond infrared spectroscopic study of water dynamics around different ions (specifically magnesium, lithium, sodium, and cesium cations, as well as sulfate, chloride, iodide, and perchlorate anions) reveals that the effect of ions and counterions on water can be strongly interdependent and nonadditive, and in certain cases extends well beyond the first solvation shell of water molecules directly surrounding the ion.

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Published date: May 2010
Organisations: Chemistry

Identifiers

Local EPrints ID: 343105
URI: http://eprints.soton.ac.uk/id/eprint/343105
ISSN: 0036-8075
PURE UUID: 79a04af8-1b94-4182-b768-80639b3ce6fd

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Date deposited: 24 Sep 2012 13:43
Last modified: 25 Feb 2019 17:31

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Contributors

Author: K.J. Tielrooij
Author: N. Garcia-Araez
Author: M. Bonn
Author: H. J. Bakker

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