Summary
The complex [PhCH2PPh3]2[Mo2O2S2(SC2H4S)2] has been prepared by reaction of [PhCH2PPh3][MoO(SC2H4S)2] with phenylhydrazine and characterized by single-crystal x-ray structure analysis. This revealed that each molybdenum displays square pyramidal geometry with the terminal oxo-groups in the apical position and the sulphur donors of the dimer-captoethane ligand and the bridging sulphido-ligands generating the basal plane. The related complex [HNEt3]2-[Mo2S4(SC2H4S)2], synthesised by reaction of the MoVI butandiolato-complex [MoO2(butanediolato)2]: 2(butanediol) with triethylamine and ethanedithiol, has also been characterised crystallographically. The structure displays the previously characterized [Mo2S4]2+ core. The anion geometry is analogous to that observed for the oxo-derivative [Mo2O2S2(SC3H4S)2]−2 with the apical oxo-ligand replaced by a sulphido-group.
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Hsieh, TC., Gebreyes, K. & Zubieta, J. Studies of molybdenum thiolato-complexes. The chemical characterization and the crystal and molecular structures of two sulphido-bridged Movdimers, [PhCH2PPh3]2[Mo2O2S2(SC2H4S)2] and [HNEt3]2[Mo2S4(SC2H4S)2]. Transition Met Chem 10, 81–84 (1985). https://doi.org/10.1007/BF00618453
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DOI: https://doi.org/10.1007/BF00618453