Abstract
The hybrid material, (H2en)3{V10O28}.6H2O (1), containing decavanadate units was synthesized by a wet chemistry method using ethylenediamine (en) as a structure-directing agent. It crystallizes in the monoclinic system, space group C2/c, with cell parameters (Å, °): a = 20.2028 (3), b = 17.0629 (3), c = 10.5541 (2), β= 104.2045 (16). The crystal structure forms a 3D framework of isolated [V10O28]6− monomers, ethylenediammonium cations, and H2O molecules linked through NH···O and OH···O hydrogen bonds. The Fourier transform infrared spectroscopy exhibits characteristic bands corresponding to decavanadate groups and organic molecules. The thermal decomposition steps of the hybrid compound show mainly the loss of the organic moieties and the water molecules. The decavanadate compound's catalytic activity was evaluated by oxidizing methylene blue (MB) with hydrogen peroxide. The biological activity of 1 yielded mediocre results.
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