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Persistent URL http://purl.org/net/epubs/work/34029
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Record Id 34029
Title Structure and interactions in simple solutions
Abstract Neutron scattering with hydrogen/deuterium isotopic substitution techniques has been used to investigate the full range of structural interactions in a dilute 0.02 mol fraction solution of tertiary butanol in water, both in the absence and in the presence of a small amount of sodium chloride. Emphasis is given to the detailed pictures of the intermolecular interactions that have been derived using the mpirical potential structure refinement technique. Analysis has been performed to the level of the spatial density distribution functions that illustrate the orientational dependence of the intermolecular interactions between all combinations of molecular and ionic components. The results show the key structural motifs involved in the interactions between the various components in a complex aqueous system. They underline the structural versatility of the water molecule in accommodating a range of different kinds of interactions while retaining its characteristic first-neighbour interaction geometry. Within this framework, the results highlight the complex interplay between the polar, non-polar and charged molecular interactions that exist in the system.
Keywords Physics , Chemistry , Biology , water and aqueous solutions; hydration structure; neutron diffraction , ISIS 2005
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Language English (EN)
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Journal Article Philos T Roy Soc B 359 (2004): 1167-1180. doi:10.1098/rstb.2004.1496 2004
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