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Inclusion Selectivity for Aromatic Guests in catena-[Bis-(dimethylamine)cadmium(II) tetra-μ-cyanonickelate(II)] Host Clathrate

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Abstract

Inclusion selectivity has been examined for xylene isomers and benzene in the Hofmann-dma-type Cd[NH-(CH3)2]2Ni(CN)4 metal complex host. This has a layered structure of a two-dimensionally extended cyanometal complex network with the dimethylamine ligands protruding up and down from the network. The o-isomer is preferentially enclathrated in the metal complex host from the mixtures of xylene isomers, but the presence of benzene in the mixture makes the p-isomer more preferable. Benzene is enriched from the mixtures with xylene isomers at very low concentrations. The selectivity behavior is discussed based on the crystal structures of the relevant clathrates.

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Authors and Affiliations

  1. Department of Chemistry, College of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo, 153, Japan

    Shin-ichi Nishikiori & Toschitake Iwamoto

Authors
  1. Shin-ichi Nishikiori
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  2. Toschitake Iwamoto
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Nishikiori, Si., Iwamoto, T. Inclusion Selectivity for Aromatic Guests in catena-[Bis-(dimethylamine)cadmium(II) tetra-μ-cyanonickelate(II)] Host Clathrate. ANAL. SCI. 4, 25–30 (1988). https://doi.org/10.2116/analsci.4.25

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  • DOI: https://doi.org/10.2116/analsci.4.25

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