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

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

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. Polyanio...

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Veröffentlicht in:Inorganic chemistry 2015-07, Vol.54 (13), p.6136-6146
Hauptverfasser: Ibrahim, Masooma, Haider, Ali, Xiang, Yixian, Bassil, Bassem S, Carey, Akina M, Rullik, Lisa, Jameson, Geoffrey B, Doungmene, Floriant, Mbomekallé, Israël M, Oliveira, Pedro de, Mereacre, Valeriu, Kostakis, George E, Powell, Annie K, Kortz, Ulrich
Format: Artikel
Sprache:eng
Schlagworte:
Diffraction
Electrochemistry
Infrared spectroscopy
Nanostructure
Single crystals
Solid state
Thermogravimetric analysis
X-rays
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Zusammenfassung: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.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.5b00124