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Title: 9-Cobalt(II)-Containing 27-Tungsto-3-germanate(IV): synthesis, structure, computational modeling, and heterogeneous water oxidation catalysis
Authors: Haidar, Ali D
Bassil, Bassem 
Soriano-López, Joaquín
Qasim, Hafiz M.
Affiliations: Department of Chemistry 
Issue Date: 2019
Part of: Journal of inorganic chemistry
Volume: 58
Issue: 17
Start page: 11308
End page: 11316
The 9-cobalt(II)-containing trimeric, cyclic polyanion [Co9(OH)3(H2O)6(PO4)2(B-α-GeW9O34)3]21– (1) was synthesized in an aqueous phosphate solution at pH 8 and isolated as a hydrated mixed sodium–cesium salt. Polyanion 1 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 1 were also studied and compared with those of its phosphorus analogue, [Co9(OH)3(H2O)6(HPO4)2(B-α-PW9O34)3]16– (Co9-P). The electrochemical water oxidation activity of the cesium salt of 1 under heterogeneous conditions was also studied and shown to be superior to that of Co9-P. The experimental results were supported by computational studies.
DOI: 10.1021/acs.inorgchem.9b01495
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry

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