Tetradecanuclear Iron(III)-Oxo Nanoclusters Stabilized by Trilacunary Heteropolyanions 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 10.1021/acs.inorgchem.5b00124.s004 https://acs.figshare.com/articles/dataset/Tetradecanuclear_Iron_III_Oxo_Nanoclusters_Stabilized_by_Trilacunary_Heteropolyanions/2152423 The tetrameric, multi-Fe<sup>III</sup>-containing polyoxotungstates [Fe<sub>14</sub>O<sub>6</sub>(OH)<sub>13</sub>­(P<sub>2</sub>W<sub>15</sub>O<sub>56</sub>)<sub>4</sub>]<sup>31–</sup> (<b>1</b>) and [Na<sub>2</sub>Fe<sub>14</sub>(OH)<sub>12</sub>­(PO<sub>4</sub>)<sub>4</sub>(<i>A</i>-α-XW<sub>9</sub>O<sub>34</sub>)<sub>4</sub>]<sup>20–</sup> (X = Si<sup>IV</sup> (<b>2</b>), Ge<sup>IV</sup> (<b>3</b>)) have been successfully synthesized under conventional reaction conditions in aqueous, slightly acidic (<b>1</b>), or basic (<b>2</b> and <b>3</b>) media. Polyanions <b>1-3</b> were characterized in the solid state by single-crystal X-ray diffraction, IR spectroscopy, thermogravimetric analysis, and magnetic studies, and in solution by electrochemistry. 2015-07-06 00:00:00 thermogravimetric analysis reaction conditions IR spectroscopy Tetradecanuclear Trilacunary HeteropolyanionsThe tetrameric Na 2Fe Polyanion acidic media SiIV Stabilized 14O electrochemistry Nanocluster diffraction solution GeIV polyoxotungstate