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9-Cobalt(II)-Containing 27-Tungsto-3-germanate(IV): Synthesis, Structure, Computational Modeling, and Heterogeneous Water Oxidation Catalysis. | LitMetric
The 9-cobalt(II)-containing trimeric, cyclic polyanion [Co(OH)(HO)(PO)(GeWO)] () was synthesized in an aqueous phosphate solution at pH 8 and isolated as a hydrated mixed sodium-cesium salt. Polyanion was structurally and compositionally characterized in the solid state by single-crystal X-ray diffraction, Fourier transform infrared spectroscopy, as well as thermogravimetric and elemental analyses. The magnetic and electrochemical properties of were also studied and compared with those of its phosphorus analogue, [Co(OH)(HO)(HPO)(PWO)] (). The electrochemical water oxidation activity of the cesium salt of under heterogeneous conditions was also studied and shown to be superior to that of . The experimental results were supported by computational studies.
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