Assembly of trimeric polyoxovanadate aggregates based on [MnV13O38]7- building blocks and lanthanide cations.
作者： Ding Liu , Ying Lu , Yang-Guang Li , Hua-Qiao Tan , Wei-Lin Chen
DOI: 10.1039/C3DT51250A
关键词: Lanthanide 、 Antiferromagnetism 、 Electrochemistry 、 Ultraviolet visible spectroscopy 、 Crystallography 、 Magnetism 、 Infrared spectroscopy 、 Rare earth ions 、 Inorganic chemistry 、 Chemistry 、 Isostructural
摘要: Three trimeric polyoxovanadate based on 1:13 anions [MnV13O38](7-) with lanthanide cations Ln(3+) (Ln = La, Ce and Nd) pyridine-3-carboxylic acid: HK3{[Ln(H2O)4]6[MnV13O38]3(SO4)2}·3(C6H6NO2)·nH2O La 1, Nd 3; n 33 for 20 3), H(2.5)K(1.5){[Ce(H2O)4]6[MnV13O38]3(SO4)2}·3(C6H6NO2)·20.5H2O (2) (C6H5NO2 acid) have been synthesized characterized by elemental analysis, IR spectroscopy, UV TG XPRD, electrochemical analyses, magnetism single-crystal X-ray diffraction. Compounds 1-3 are isostructural crystallized in the hexagonal system, space group P6(3)/m. contain an unusual polyoxoanion [{Ln2MnV13O38}3(SO4)2](7-), representing first polyoxovanadate-based aggregate rare earth ions. The electrocatalytic properties of compounds investigated. Magnetic studies indicate that antiferromagnetic interactions exist compounds.
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