Abstract
The reactions of the [Mo3(μ3-Q)(μ2-Q)3(H2O)3(C2O4)3]2− complex (Q = S or Se) with CuX salts (X = Cl, Br, I, or SCN) in water produce the cuboidal heterometallic clusters [Mo3(CuX)(μ3-Q)4(H2O)3(C2O4)3]2−, which were isolated as the potassium and tetraphenylphosphonium salts. Two new compounds, K2[Mo3(CuI)(μ3-S)4(H2O)3(C2O4)3]·6H2O and (PPh4)2[Mo3(CuBr)(μ3-S)4(H2O)3(C2O4)3]·7H2O, were structurally characterized. All compounds were characterized by elemental analysis and IR spectroscopy. The K2[Mo3(CuI)(μ3-Se)4(H2O)3(C2O4)3] compound was characterized by the 77Se NMR spectrum; the (PPh4)2[Mo3(CuI)(μ3-S)4(H2O)3(C2O4)3], (PPh4)2[Mo3(CuI)(μ3-Se)4(H2O)3(C2O4)3] and K2[Mo3(CuSCN)(μ3-S)4(H2O)3(C2O4)3]·7H2O compounds, by electrospray mass spectra.
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Dedicated to Academician G. A. Abakumov on the occasion of his 70th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1639–1644, September, 2007.
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Gushchin, A.L., Kovalenko, K.A., Sokolov, M.N. et al. Cuboidal oxalate cluster complexes with the Mo3CuQ4 5+ cluster core (Q = S or Se): synthesis, structure, and electrochemical properties. Russ Chem Bull 56, 1701–1706 (2007). https://doi.org/10.1007/s11172-007-0264-0
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DOI: https://doi.org/10.1007/s11172-007-0264-0