Two New Inorganic-organic Hybrid Compounds Constructed from Different Polymolybdates and Transition Metal-amine Subunits

doi:10.1007/s40242-015-4386-x

Abstract

Abstract:

Two new polyoxometalate(POM)-based hybrid compounds, [Cu(en)][H₄Mo₄O₁₆]_0.5(1)(en=ethylene- diamine) and [Ag(3-C₅H₆N₂)₂][H₂PMo₁₂O₄₀](2)(3-C₅H₆N₂=3-aminopyridine), containing different transition metal-amine subunits were hydrothermally synthesized and characterized by elemental analyses, infrared spectroscopy and single-crystal X^-ray diffraction. For compound 1, each [H₄Mo₄O₁₆]^4-(Mo₄O₁₆) cluster was linked to four neighboring Mo₄O₁₆ clusters through four [Cu(en)]²⁺ subunits to yield a (2,4)-connected 2D layer, which was further extended to a 3D supramolecular network via hydrogen bonding interactions. For compound 2, the adjacent [H₂PMo₁₂O₄₀]^- clusters were bridged by [Ag(3-C₅H₆N₂)₂]⁺ subunits to generate a 1D chain. The electrochemical behaviors and the photocatalytic activities of compounds 1 and 2 were studied in detail.

Key words: Polyoxometalate, Metal-amine unit, Crystal structure, Electrochemical property, Photocatalysis

WANG Xiuli, LIU Danna, HAN Na, LIN Hongyan, LUAN Jian, TIAN Aixiang. Two New Inorganic-organic Hybrid Compounds Constructed from Different Polymolybdates and Transition Metal-amine Subunits[J]. Chemical Research in Chinese Universities, 2015, 31(3): 337-341.

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