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Updated: Aug 29, 2025

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Published on: December 29, 2016
Coordination of Pt(IV) by {P8W48} Macrocyclic Inorganic Cavitand: Structural, Solution, and Electrochemical Studies
Anna A Kuznetsova1, Victoria V Volchek1, Vadim V Yanshole2,3
1SB RAS, Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Avenue, Novosibirsk 630090, Russia.
Abstract:
Hydrothermal reaction of a macrocyclic inorganic POM cavitand Li17(NH4)21H2[P8W48O184] with [Pt(H2O)2(OH)4] results in coordination of up to six {Pt(H2O)(OH)4-} fragments to the internal surface of the polyoxoanion. The product was isolated as K22(NH4)9H3[{Pt(OH)3(H2O)}6P8W48O184]·79H2O (1) and characterized by multiple techniques in the solid state (SCXRD, XRPD, XPS, FTIR, and TGA) and in solution (NMR, ESI-MS, and HPLC-ICP-AES). Electrochemical properties were studied both in solution and as components of the paste electrode. The complex shows electrocatalytic activity in water oxidation.
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