Synthesis and structure of cluster compounds containing a novel cluster core {Re4STe3} |
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| Authors: | O A Efremova Yu V Mironov D Yu Naumov V E Fedorov |
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| Institution: | (1) Novosibirsk State University, Novosibirsk;(2) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk |
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| Abstract: | Three novel cluster compounds K4Re4STe3(CN)12]·4H2O (I), {Cu(en)2}2Re4STe3(CN)12]·5H2O (II) and {Cu(trien)}2Re4STe3(CN)12]·2H2O (III) (en is ethylenediamine, trien is triethylenetetraamine) containing a new cluster core {Re4STe3} have been prepared and structurally characterized. According to single crystal X-ray diffraction data, compound I is ionic and represents the arrangement of ions K+ and Re4STe3(CN)12]4?; compounds II and III are molecular and formed by two cationic moieties {Cu(en)2}2+ and {Cu(trien)}2+, respectively, coordinated to one cluster anion. In the solid state, S atom positions in the tetrahedron Q4 (Q = S, Te) are disordered for all three compounds: in I and III sulfur atoms are split over all four Q positions, while in II over two positions. |
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| Keywords: | cubane cluster rhenium chalcogen bridging cyanide copper polydentate ligand crystal structure |
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