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Competitive clathration ofp-xylene andp-dibromobenzene by the [Ni(NCS)2(4-Methylpyridine)4] host

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Abstract

The selectivity of inclusion ofp-xylene andp-dibromobenzene from their liquid mixtures by the host [Ni(NCS)2(4-methylpyridine)4] and the enthalpy of clathration were determined.p-Dibromobenzene is clathrated significantly more thanp-xylene. The heats of clathration show a linear dependence upon the composition of the enclathrated mixture and are considered to be indicative of the conclusion that the guest-guest interactions are negligible from the thermochëmical point of view. By comparing data presented herein with some literature data on competitive clathration an attempt to derive the entropy of guest exchange in the clathrate was performed.

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Lipkowski, J., Zielenkiewicz, A., Hatt, J. et al. Competitive clathration ofp-xylene andp-dibromobenzene by the [Ni(NCS)2(4-Methylpyridine)4] host. J Incl Phenom Macrocycl Chem 7, 511–518 (1989). https://doi.org/10.1007/BF01080461

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  • DOI: https://doi.org/10.1007/BF01080461

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