Isomeric organic ligand dominating polyoxometalate-based hybrid compounds: Synthesis and as electrocatalysts and pH-sensitive probes

Xiao Li, Yunlong Wang, Kunfeng Zhou, Yunliang Wang, Tao Han & Jingquan Sha
By introducing isomeric organic ligands into polyoxometalate (POM) systems, two new POM-based hybrid compounds, [Cu6(m-pyttz)2(H2O)][HPMo12O40] (1) and [Ag3(p-H2pyttz)(p-Hpyttz)Cl][H2PMo12O40]·6H2O (2) (m-/p-H2pyttz = 3-(pyrid-3/4-yl)-5(1H-1,2,4-triazol-3-yl)-1,2,4-triazolyl), have been hydrothermally synthesized and characterized. Single crystal structural analysis shows the m-pyttz ligands link CuI ions to generate a two-dimensional layer with hanger-like rhombus, which is pillared by the PMo12 anions in 1. Compound 2 exhibits a three-dimensional supramolecular framework, in which PMo12 anions are building blocks facilitating the extension of the...
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