Abstract
General conditions for the formation of heterometallic clusters by the simultaneous methanolysis of MoCl5 and MgCl2 were determined. The resultant alkalinity of the reaction solution, the Mg/Mo molar ratio, and the presence of traces of water are key factors responsible for the composition and structure of the mixed magnesium molybdenum methoxides that formed. The new decanuclear mixed-valence MoV,VI Mg oxomethoxide [MoV 4O4(μ3-O)2(μ2-O)2MoVI 2-O4(OMe)2Mg4(MeOH)6(μ3-OMe)6(μ2-OMe)8] (1) was synthesized by the reaction of lowernuclearity magnesium molybdenum oxoalkoxide complexes: NaMoV of the complex Na(MeOH)MoV 2O2(μ2-OMe)3(OMe)4 (2) and MgMoVI of the complex [MoVIO2Mg(MeOH)2-(OMe)4]2 (3). The molecular structure of 1 was determined by X-ray diffraction.
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Dedicated to the memory of the Corresponding Member of the Russian Academy of Sciences M. Yu. Antipin (1951–2013).
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1843–1851, August, 2013.
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Manakin, Y.V., Kuznetsov, D.A., Fedyanin, I.V. et al. Synthesis, structure, and properties of polynuclear molybdenum(v,vi) oxomethoxides with magnesium. Russ Chem Bull 62, 1843–1851 (2013). https://doi.org/10.1007/s11172-013-0265-0
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DOI: https://doi.org/10.1007/s11172-013-0265-0