Abstract
A new polyoxometalate (POM)-based inorganic-organic hybrid compound, [La2(L)4(H2O)10] [PMo12O40]2·8H2O (1), in which L = 4-hydroxypyridine-2,6-dicarboxylic acid (chelidamic acid) was prepared via the hydrothermal strategy and characterized by elemental analyses, inductively coupled plasma, Fourier transform infrared spectroscopy, and single-crystal X-ray diffraction. The most remarkable structural characteristic of 1 is that [PMo12O40]3– ions inserted in the La2(L)4 tongs-like structures through hydrogen bonding. This hybrid extended to the 3D supramolecular structure through hydrogen bonding, so that is supposed [PMo12O40]3– polyanions taking part in the supramolecular framework of lanthanum complexes.
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