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- W2077407239 abstract "The reaction of molybdenum(0) dithiocarbamato carbonyl complexes, [Et4N][Mo(CO)4(S2CNEt2] with tetraethyl ammonium tetrathiomolybdate in MeOH affords a trinuclear mixed-valence MoS complex, [Et4N]2[(OC)4MoS2MoS2Mo(CO)4] (1) in high yield. The structure of 1 was studied by X-ray crystallography. The structure of the anion of 1 comprises two octahedra around low-valence molybdenum atoms and a tetrahedron with the high-valence molybdenum atom in the centre sharing two edges which are the line between the bridging sulphur atoms. Thus, 1 contains a trimetallic MoS2MoS2Mo core with two Mo2S2 planes sharing a molybdenum atom perpendicularly. The MoMo bond distances are 2.9979(6) and 3.0003(6) Å; the MoMoMo angle is 174.46(2)° and MoS bond lengths are 2.22 and 2.53 Å 95Mo NMR measurements show that the three molybdenum atoms in 1 are in two oxidation states. The cyclic voltammetry studies on 1 and the dinuclear complex, [(OC)4MoS2MoS2]2−, reveal the existence of two different redox metal centres in 1. The electron delocalization between the three mixed-valence molybdenum atoms is discussed by comparing them with the dinuclear molybdenum member of this cluster family." @default.
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- W2077407239 date "1994-01-01" @default.
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- W2077407239 title "A new molybdenum-tungsten-sulphur cluster complex family, [{(OC)4M}xM′S4]2− (M = Mo or W, M′ = Mo or W; x = 1,2). Synthesis, structure and properties of a new trinuclear mixed-valence MoS cluster, [Et4N]2[(OC)4MoS2MoS2Mo(CO)4]" @default.
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- W2077407239 doi "https://doi.org/10.1016/s0277-5387(00)86648-6" @default.
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