Structure, dynamics, and spectral diffusion of water from first-principles molecular dynamics

A Bankura, A Karmakar, V Carnevale… - The Journal of …, 2014 - ACS Publications
We have carried out first-principles Born–Oppenheimer molecular dynamics (BOMD)
simulations of heavy water using density functional theory in conjunction with either …

Low-frequency modes of aqueous alkali halide solutions: glimpsing the hydrogen bonding vibration

IA Heisler, SR Meech - Science, 2010 - science.org
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 …

Water structure, dynamics, and vibrational spectroscopy in sodium bromide solutions

YS Lin, BM Auer, JL Skinner - The Journal of chemical physics, 2009 - pubs.aip.org
We study theoretically the steady-state and ultrafast vibrational spectroscopy, in the OD-
stretch region, of dilute HOD in aqueous solutions of sodium bromide. Based on electronic …

Density functional theory based molecular dynamics study of solution composition effects on the solvation shell of metal ions

X Wang, D Toroz, S Kim, SL Clegg, GS Park… - Physical Chemistry …, 2020 - pubs.rsc.org
We present an ab initio molecular dynamics study of the alkali metal ions Li+, Na+, K+ and
Cs+, and of the alkaline earth metal ions Mg2+ and Ca2+ in both pure water and electrolyte …

On the hydrogen bond strength and vibrational spectroscopy of liquid water

D Ojha, K Karhan, TD Kühne - Scientific reports, 2018 - nature.com
In the present work, we introduce two new metrics ie hydrogen-bond strength and charge-
transfer between the donor/acceptor water molecules as a measure of hydrogen-bond …

A systematic study of chloride ion solvation in water using van der Waals inclusive hybrid density functional theory

A Bankura, B Santra, RA DiStasio Jr, CW Swartz… - Molecular …, 2015 - Taylor & Francis
In this work, the solvation and electronic structure of the aqueous chloride ion solution was
investigated using density functional theory (DFT) based ab initio molecular dynamics …

On ion and molecular polarization of halides in water

E Guardia, I Skarmoutsos, M Masia - Journal of chemical theory …, 2009 - ACS Publications
The high polarizability of halide anions affects, in aqueous solutions, many phenomena
ranging from hydrogen bond dynamics to water interfaces' structure. In this Letter dipolar …

Structural and dynamical nature of hydration shells of the carbonate ion in water: an ab initio molecular dynamics study

S Yadav, A Chandra - The Journal of Physical Chemistry B, 2018 - ACS Publications
The structural and dynamical nature of hydration shells of the carbonate ion in water is
investigated through ab initio molecular dynamics simulation. The anisotropic solvation shell …

Ultrafast Vibrational Dynamics of Water Disentangled by Reverse Nonequilibrium Ab Initio Molecular Dynamics Simulations

Y Nagata, S Yoshimune, CS Hsieh, J Hunger, M Bonn - Physical Review X, 2015 - APS
Water is a unique solvent with strong, yet highly dynamic, intermolecular interactions. Many
insights into this distinctive liquid have been obtained using ultrafast vibrational …

Solvation shell resolved THz spectra of simple aqua ions–distinct distance-and frequency-dependent contributions of solvation shells

M Śmiechowski, J Sun, H Forbert… - Physical Chemistry …, 2015 - pubs.rsc.org
Hydration of ions is a topic of broad relevance in chemistry and biology. Liquid-state
terahertz spectroscopy has been demonstrated to be able to detect even small solute …