Abstract
The aim of this contribution is to study the changes of structural and dynamic properties of water molecules exposed to electric fields, external ones or generated by ions. For this purpose a set of molecular dynamics simulations has been performed for a series of systems modeling aqueous electrolyte solutions and pure water. Two aqueous solutions of Na+ and UO22+ ions were considered. The systems presenting pure water were exposed to external fields of a different strength in the range E=(0.25÷2.5)×109V/m. The external fields within the studied range are able to slow down water molecules and even crystallize the system. The fields generated by the ions act rather locally but can induce the reorientation and even the hydrolysis of neighboring water molecules.
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