Solvothermal synthesis of uranium(VI) phases with aromatic carboxylate ligands: a dinuclear complex with 4-hydroxybenzoic acid and a 3D framework with terephthalic acid

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dc.contributor.authorZhang, YJen_AU
dc.contributor.authorKaratchevtseva, Ien_AU
dc.contributor.authorBhadbhade, MMen_AU
dc.contributor.authorTran, TTen_AU
dc.contributor.authorAharonovich, Ien_AU
dc.contributor.authorFanna, DJen_AU
dc.contributor.authorShepherd, NDen_AU
dc.contributor.authorLu, KTen_AU
dc.contributor.authorLi, Fen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.date.accessioned2020-03-26T20:21:03Zen_AU
dc.date.available2020-03-26T20:21:03Zen_AU
dc.date.issued2016-02-01en_AU
dc.date.statistics2020-03-20en_AU
dc.description.abstractWith the coordination of dimethylformamide (DMF), two new uranium(VI) complexes with either 4-hydroxybenzoic acid (H2phb) or terephthalic acid (H2tph) have been synthesized under solvothermal conditions and structurally characterized. [(UO2)2(Hphb)2(phb)(DMF)(H2O)3]·4H2O (1) has a dinuclear structure constructed with both pentagonal and hexagonal bipyramidal uranium polyhedra linked through a µ2-bridging ligand via both chelating carboxylate arm and alcohol oxygen bonding, first observation of such a coordination mode of 4-hydroxybenzoate for 5 f ions. [(UO2)(tph)(DMF)] (2) has a three-dimensional (3D) framework built with pentagonal bipyramidal uranium polyhedra linked with µ4-terephthalate ligands. The 3D channeled structure is facilitated by the unique carboxylate bonding with nearly linear C–O–U angles and the coordination of DMF molecules. The presence of phb ligands in different coordination modes, uranyl ions in diverse environments and DMF in complex 1, and tph ligand, DMF and uranyl ion in complex 2 has been confirmed by Raman spectroscopy. In addition, their thermal stability and photoluminescence properties have been investigated. © 2015 Elsevier Inc.en_AU
dc.identifier.citationZhang, Y., Karatchevtseva, I., Bhadbhade, M., Tran, T. T., Aharonovich, I., Fanna, D. J., Shepherd, N.D., Lu, K., Li, F., & Lumpkin, G. R. (2016). Solvothermal synthesis of uranium (VI) phases with aromatic carboxylate ligands: a dinuclear complex with 4-hydroxybenzoic acid and a 3D framework with terephthalic acid. Journal of Solid State Chemistry, 234, 22-28. doi:10.1016/j.jssc.2015.11.031en_AU
dc.identifier.govdoc9042en_AU
dc.identifier.issn0022-4596en_AU
dc.identifier.journaltitleJournal of Solid State Chemistryen_AU
dc.identifier.pagination22-28en_AU
dc.identifier.urihttps://doi.org/10.1016/j.jssc.2015.11.031en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/9263en_AU
dc.identifier.volume234en_AU
dc.language.isoenen_AU
dc.publisherElsevier B.V.en_AU
dc.subjectSynthesisen_AU
dc.subjectUraniumen_AU
dc.subjectLigandsen_AU
dc.subjectAromaticsen_AU
dc.subjectCarboxylationen_AU
dc.subjectNuclear fuelsen_AU
dc.subjectPolymersen_AU
dc.titleSolvothermal synthesis of uranium(VI) phases with aromatic carboxylate ligands: a dinuclear complex with 4-hydroxybenzoic acid and a 3D framework with terephthalic aciden_AU
dc.typeJournal Articleen_AU
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