Homogenous mixing of ionic liquids: molecular dynamics simulations
RS Payal and S Balasubramanian, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 15, 21077-21083 (2013).
Binary mixtures of room temperature ionic liquids (IL) with a common cation were investigated using atomistic molecular dynamics (MD) simulations. Two different binary ILs, viz., C(4)mimPF6-C(4)mimCl and C(4)mimPF6-C(4)mimBF4, were studied with varying fractions of either anion. The coordination environment of an anion around the cation is altered in the presence of another type of anion. The extent of change is larger for anions with much different radii. Atomistic MD and coarse grain MD simulations do not show any evidence for the clustering of like anions at any concentration. The binary liquids are well mixed at the molecular level.
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