ion pairs in aqueous solution (IMAGE)
Caption
Figure 2: Structural representation of Mg2+- SO42- ion pairs in aqueous solution. The simulations yield a molecular picture in which the slowdown of hydration dynamics results from structural features of SO42-- Mg2+ ion pairs that share 1 or 2 water molecules in their hydration shells (top), whereas ion pairs with separate, complete hydration shells (bottom) have little effect on water dynamics. Sulfur atoms are shown in yellow, magnesium atoms in pink, oxygen atoms in red and hydrogen atoms in white; water molecules in the first hydration shells around the ions are highlighted in bold representation.
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MBI / Prof. Dr. B. P. Fingerhut
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