2009-05-01
Hydrogen bond fluctuations of the hydration shell of the bromide anion
Publication
Publication
J. Phys. Chem. A
,
Volume 113
-
Issue 21
p. 6104-
6110
We study the hydrogen bond dynamics of solutions of LiBr and NaBr in isotopically diluted water (2% HDO:D2O) with femtosecond spectral hole-burning spectroscopy. We study the frequency fluctuations of the O−H stretch vibrations of the HDO molecules and observe spectral dynamics with time constants of 0.8 ± 0.1 ps and 4.3 ± 0.3 ps. The slow process we assign to the hydrogen bond fluctuations of the O−H···Br− hydrogen bonds of the hydration shell of the Br− anion. We find that the time scale of the hydrogen bond fluctuations of the hydration shell of Br− is independent of the nature of the cation and the concentration.
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Persistent URL | dx.doi.org/10.1021/jp902424u |
Journal | J. Phys. Chem. A |
Citation |
Timmer, R.L.A, & Bakker, H.J. (2009). Hydrogen bond fluctuations of the hydration shell of the bromide anion. J. Phys. Chem. A, 113(21), 6104–6110. doi:10.1021/jp902424u
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