Coordination of {C 5 Me 5 Ir} 2+ to [M 6 O 19 ] 8– (M = Nb, Ta) – Analogies and Differences between Rh and Ir, Nb and Ta

Autor:	Artem L. Gushchin, N. B. Kompankov, Cristian Vicent, Maxim N. Sokolov, Pavel A. Abramov
Rok vydání:	2015
Předmět:	010405 organic chemistry Inorganic chemistry Niobium Tantalum chemistry.chemical_element Nuclear magnetic resonance spectroscopy 010402 general chemistry Electrochemistry 01 natural sciences 0104 chemical sciences Inorganic Chemistry chemistry Physical chemistry Iridium Cyclic voltammetry
Zdroj:	European Journal of Inorganic Chemistry. 2016:154-160
ISSN:	1099-0682 1434-1948
Popis:	The reactions of [Cp*IrCl2]2 (Cp* = pentamethylcyclopentadienyl) with [M6O19]8– (M = Nb, Ta) anions lead to the formation of new hybrid organometallic–polyoxometalate (organometallic–POM) complexes, namely, single-capped Na8[H2{Cp*IrNb6O18}2(O)]·47H2O (Na8-IrNb12) and Na6[{Cp*Ir}Ta6O19]·27H2O (Na6-IrTa6) as well as double-capped trans-[{Cp*Ir}2M6O19]4– complexes. Their solution behavior was studied by NMR spectroscopy and ESI-MS techniques. Cyclic voltammetry (CV) experiments demonstrated efficient electrocatalytic water oxidation in the presence of trans-[{Cp*Ir}2Nb6O19]4–.
Databáze:	OpenAIRE
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