Comparison of uranium(VI) and thorium(IV) coordination polymers with p-toluenesulfonic acid

Yingjie Zhang, Jason R. Price, Inna Karatchevtseva, Kim Lu, Bongho Yoon, Fatima Kadi, Gregory R. Lumpkin, Feng Li

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)

    Abstract

    The reaction of uranium(VI) or thorium(IV) nitrate with p-toluenesulfonic acid (PTSA) in aqueous solutions at room temperature led to the formation of U(VI)/Th(IV) coordination polymers (CPs) with deprotonated µ2-bridging PTS anions. Both [(UO2)(PTS)2(PTSA)]•4H2O (1) and Th(PTS)4(H2O)3 (2) have one-dimensional (1D) undulating polymeric structures built with pentagonal bipyramidal uranyl polyhedrons and 9-fold coordinated thorium polyhedrons, respectively, linked through µ2-bridging PTS anions. Both CPs have similar thermal decomposition patterns as they have similar structural type in the presence of the same ligand. Vibrational modes have been investigated and the structural features have been discussed together with relevant structures.
    Original languageEnglish
    Pages (from-to)98-103
    Number of pages6
    JournalPolyhedron
    Volume91
    DOIs
    Publication statusPublished - 2015

    Keywords

    • coordination polymers
    • sulfonates
    • thorium
    • uranium

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