An Inorganic Pac‐Man: Synthesis, structure and electrochemical studies of a heterometallic {YCo II 3 W} cluster sandwiched by two germanotungstates - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie Année : 2022

An Inorganic Pac‐Man: Synthesis, structure and electrochemical studies of a heterometallic {YCo II 3 W} cluster sandwiched by two germanotungstates

Masooma Ibrahim
Israël Mbomekallé
Pedro de Oliveira
Thomas Bergfeldt
Christopher Anson

Résumé

A new heterometallic sandwich‐type Keggin polyoxometalate, [(GeW 9 O 34 ) 2 {YCo(W=O)(μ 3 ‐O)(μ 3 ‐OH)(μ 2 ‐O)(μ 2 ‐OH 2 )(OH 2 )(C 2 H 3 O 2 )}] 13− has been synthesized by a simple reaction method. The isolated compound has been structurally characterized by single crystal X‐ray diffraction (SC‐XRD), Fourier transform infrared (FTIR) spectroscopy, elemental analysis, and thermogravimetric (TG) analysis. In addition, electrochemical properties have been investigated in detail. The X‐ray structure of this POM reveals that a unique heterometallic core {YCo 3 (W=O)(μ 3 ‐O)(μ 3 ‐OH)(μ 2 ‐O)(μ 2 ‐OH 2 )(OH 2 )(OAc)} 7+ is sandwiched between two [GeW 9 O 34 ] 10− ligands, giving rise to the first example of a heterometallic core composed of 3d–4d–5d transition metal ions.

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Chimie
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hal-04309047 , version 1 (27-11-2023)

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Masooma Ibrahim, Israël Mbomekallé, Pedro de Oliveira, Thomas Bergfeldt, Christopher Anson. An Inorganic Pac‐Man: Synthesis, structure and electrochemical studies of a heterometallic {YCo II 3 W} cluster sandwiched by two germanotungstates. Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie, 2022, 648 (17), ⟨10.1002/zaac.202200112⟩. ⟨hal-04309047⟩
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