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Issue 3, 1998
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Non-ideality of binary mixtures Water[ndash ]methanol and water[ndash ]acetonitrile from the viewpoint of clustering structure

Abstract

Water–methanol and water–acetonitrile, which show exothermic and endothermic mixing, respectively, represent good contrast in non-ideality of a binary mixture. The microscopic structure observed through the mass-spectrometric analysis of clusters isolated from solution also shows good contrast between these binary mixtures as follows: (1) methanol molecules have substitutional interaction with water clusters, while acetonitrile molecules have additional interaction with water clusters; (2) the clustering of methanol molecules are promoted in the presence of water; on the contrary, the acetonitrile clusters are disintegrated in the presence of water. Such findings could partially explain the non-ideality of these binary mixtures on the basis of the cluster structures.

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Article type: Paper
DOI: 10.1039/A705777F
Citation: J. Chem. Soc., Faraday Trans., 1998,94, 369-374
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    Non-ideality of binary mixtures Water[ndash ]methanol and water[ndash ]acetonitrile from the viewpoint of clustering structure

    A. Wakisaka, H. Abdoul-Carime, Y. Yamamoto and Y. Kiyozumi, J. Chem. Soc., Faraday Trans., 1998, 94, 369
    DOI: 10.1039/A705777F

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