title: An Ir(IV)-containing polyoxometalate.
abstract: [HIr(IV)W6O24](7-), representing the first Ir-containing Anderson-Evans-type polyanion and the first structurally characterized Ir(IV)-based polyoxometalate, has been isolated as its hydrated sodium salt and characterized by single-crystal X-ray diffraction, mass spectrometry, and IR, UV-Vis and EPR spectroscopy. Cyclic voltammetry indicates that the Ir(IV) ions in [HIrW6O24](7-) can undergo reversible one-electron reduction and oxidation, resulting in Ir(III) and Ir(V) derivatives.
authors.affiliation: Nikolaev Institute of Inorganic Chemistry SB RAS, 630090 Novosibirsk, Russia. caesar@niic.nsc.ru.
authors.forename: Sergey A
authors.initials: SA
authors.lastname: Adonin
authors.forename: Natalya V
authors.initials: NV
authors.lastname: Izarova
authors.forename: Claire
authors.initials: C
authors.lastname: Besson
authors.forename: Pavel A
authors.initials: PA
authors.lastname: Abramov
authors.forename: Beatrix
authors.initials: B
authors.lastname: Santiago-Schübel
authors.forename: Paul
authors.initials: P
authors.lastname: Kögerler
authors.forename: Vladimir P
authors.initials: VP
authors.lastname: Fedin
authors.forename: Maxim N
authors.initials: MN
authors.lastname: Sokolov