Cubane pyridine-acetylacetonate cluster complexes with the M3CuS45+ core (M = Mo,W) |
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| Authors: | A. L. Gushchin M. N. Sokolov K. A. Kovalenko E. V. Peresypkina A. V. Virovets N. I. Alferova V. P. Fedin |
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| Affiliation: | (1) Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. akademika Lavrent’eva 3, Novosibirsk, 630090, Russia;(2) Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia |
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| Abstract: | The reactions between [Mo3(μ3-S)(μ2-S)3(Acac)3(Py)3]PF6 (HAcac is acetylacetone, Py is pyridine) and CuX (X = Cl, I, SCN) afford heterometallic cubane clusters [Mo3(CuX)(μ3-S)4(Acac)3(Py)3]PF6. The structures of two new compounds, [Mo3(CuCl)S4(Acac)3(Py)3]PF6 · 3.25CH2Cl2 · 0.5C6H5CH3 and [Mo3(CuI)S4(Acac)3(Py)3]PF6 · 4C6H6, are determined by X-ray diffraction analysis. All synthesized compounds are characterized by elemental analysis and IR spectra. According to the vibrational spectra, the thiocyanate complex in the solid state is a mixture of the bond isomers [Mo3(CuNCS)S4(Acac)3(Py)3]PF6 and [Mo3(CuSCN)S4(Acac)3(Py)3]PF6, whereas in solution this complex exists as a isothiocyanate form. |
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