ic5b00124_si_001.cif (47.6 kB)

Tetradecanuclear Iron(III)-Oxo Nanoclusters Stabilized by Trilacunary Heteropolyanions

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posted on 06.07.2015, 00:00 by Masooma Ibrahim, Ali Haider, Yixian Xiang, Bassem S. Bassil, Akina M. Carey, Lisa Rullik, Geoffrey B. Jameson, Floriant Doungmene, Israël M. Mbomekallé, Pedro de Oliveira, Valeriu Mereacre, George E. Kostakis, Annie K. Powell, Ulrich Kortz
The tetrameric, multi-FeIII-containing polyoxotungstates [Fe14O6(OH)13­(P2W15O56)4]31– (1) and [Na2Fe14(OH)12­(PO4)4(A-α-XW9O34)4]20– (X = SiIV (2), GeIV (3)) have been successfully synthesized under conventional reaction conditions in aqueous, slightly acidic (1), or basic (2 and 3) media. Polyanions 1-3 were characterized in the solid state by single-crystal X-ray diffraction, IR spectroscopy, thermogravimetric analysis, and magnetic studies, and in solution by electrochemistry.

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