Synthesis, Structure, and Proton Conductivities of a Mg(II)-based Coordination Polymer Composed of an Exotic Oxidized Ligand

Jong Hyeon Lee, Hyojin Kim, Minjung Kang, Doo San Choi, Chang Seop Hong

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)

    Abstract

    A Mg(II)-based coordination polymer was synthesized by a solvothermal reaction between Mg2+ and 2,5-dimercaptoterephthalic acid (H4dmtp) in N,N-diethylformamide (DEF). The thiol (─SH) groups in the H4dmtp ligand were oxidized to form the sulfinato (─SO2) groups, which were structurally stabilized through coordination to the Mg2+ centers. The temperature-dependent proton conductivities exhibited relatively low activation energy (0.19 eV) for proton transfer, suggesting that the hydrogen-bonded networks formed by the water molecules and the sulfinato oxygen atoms produced efficient proton-hopping pathways.

    Original languageEnglish
    Pages (from-to)322-325
    Number of pages4
    JournalBulletin of the Korean Chemical Society
    Volume42
    Issue number2
    DOIs
    Publication statusPublished - 2021 Feb

    Bibliographical note

    Publisher Copyright:
    © 2020 Korean Chemical Society, Seoul & Wiley-VCH GmbH

    Keywords

    • Coordination polymer
    • Crystal structure
    • Ligand oxidation
    • Proton conductivity

    ASJC Scopus subject areas

    • General Chemistry

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