Please use this identifier to cite or link to this item:
https://doi.org/10.1021/ic048882g
Title: | Formation of mono(dithiolene)-thiocarboxamido complexes in reactions of thio(dithiocarbamato)-Mo/W complexes and dimethyl acetylenedicarboxylate | Authors: | Lim, P.J. Slizys, D.A. Tiekink, E.R.T. Young, C.G. |
Issue Date: | 10-Jan-2005 | Citation: | Lim, P.J., Slizys, D.A., Tiekink, E.R.T., Young, C.G. (2005-01-10). Formation of mono(dithiolene)-thiocarboxamido complexes in reactions of thio(dithiocarbamato)-Mo/W complexes and dimethyl acetylenedicarboxylate. Inorganic Chemistry 44 (1) : 114-121. ScholarBank@NUS Repository. https://doi.org/10.1021/ic048882g | Abstract: | Reactions of Tp*MS(S2CNEt2) with dimethyl acetylenedicarboxylate in dichloromethane produce olive green/black Tp*M{S2C2(CO2Me)2}(SCNEt 2-κ2S,C) (M = Mo (1), W (2); Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate). The seven-coordinate complexes exhibit pseudo-octahedral (1) and distorted pentagonal bipyramidal (2) coordination spheres comprised of tridentate fac-Tp*, bidentate dithiolene, and thiocarboxamido-κ2S,C ligands. In the solid state, molecules of 1 exhibit pseudo-Cs symmetry, with the thiocarboxamide NEt2 group in a cleft in the Tp* ligand. Molecules of 2 have C1 symmetry in the solid state; here, the thiocarboxamide unit is orientated along one of the W-S(dithiolene) bonds with its NEt2 group projecting away from the Tp* ligand. Both complexes possess effective Cs symmetry in solution. Reaction of Tp*Mol(CO)3 with AgS2CNEt2 affords olive green Tp*Mo(S2CNEt2)(CO)2 (3), which reacts with propylene sulfide in a new synthesis for Tp*MoS(S 2CNEt2), the starting material for 1. Complex 3 exhibits a distorted pentagonal bipyramidal structure, the axial sites being defined by a Tp* nitrogen atom and a carbonyl ligand, the pentagonal plane by the remaining nitrogen and carbonyl donors and the two sulfur atoms of the bidentate dithiocarbamate ligand. | Source Title: | Inorganic Chemistry | URI: | http://scholarbank.nus.edu.sg/handle/10635/93849 | ISSN: | 00201669 | DOI: | 10.1021/ic048882g |
Appears in Collections: | Staff Publications |
Show full item record
Files in This Item:
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.