期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 125, 期 2-3, 页码 174-180出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2005.11.022
关键词
mixtures; acetonitrile-water; neutron diffraction; molecular dynamics simulation
In present work we report small-angle and wide-angle neutron diffraction study compared to molecular dynamics simulation on water-acetonitrile system. From small-angle scattering measurements resulted that the correlation length, as well as the density and concentration fluctuation have maximum around x(an) = 0.38; these findings are in agreement with previous results found, namely, that a strong microheterogeneity exists in acetonitrile-water system in the range of x(an) = 0.2-0.6 acetonitrile mole fraction. The total g(r) functions of mixtures obtained from wide-angle scattering are compared with molecular dynamics simulation results and they show an overall good agreement. (c) 2005 Elsevier B.V. All rights reserved.
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