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- W2009768853 abstract "Abstract In THF (tetrahydrofuran) the alkylidynetungsten complexes [W(CR)(CO)2(η-C5H5)] (R = Me or C6H4Me-4) react with [Rh2(μ-SPh)2(cod)2] (cod = cyclo-octa-1,5-diene) to give, respectively, the tetranuclear mixed-metal compound [W2Rh2(μ-CMe)(μ3-CMe)(μ-SPh)2(CO)4(η-C5H5)2] and the trinuclear metal species [WRh2(μ-CC6H4Me-4)(μ-SPh)2(CO)3(cod)(η-C5H5)]. The molecular structure of the former has been established by X-ray diffraction. The metal atom core is based on a 'butterfly' arrangement with the two rhodium atoms forming the body of the butterfly (RhRh 2.588(1) A) and the tungsten atoms occupying the 'wing-tip' positions (WRh mean 2.817 A). The two WRh2 triangles forming the wings of the butterfly are inclined at 20° to one another. In one triangle the WRh bonds are bridged, respectively, by a μ-CMe group (μ-CW 1.88(1), μ-CRh 2.08(1) A) and by two μ-SPh ligands (mean μ-SW 2.403, mean μ-SRh 2.416 A), and the tungsten atom carries a C5H5 ring. The other WRh2 triangle is triply bridged by an ethylidyne group (μ3-CW 2.02(1), mean μ3-CRh 2.09 A), and one of the WRh bonds is semi-bridged by a CO ligand (WCO 168(1)°, WCO 1.97(1), Rh ··· CO 2.42(1) A). The tungsten atom is also ligated by a C5H5 ring and another CO group (WCO 171(1)°). Each rhodium atom carries an essentially terminally bound CO ligand. The NMR data (1H and 13C{1H}) for the new compounds are reported and discussed." @default.
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- W2009768853 title "Reactions of the alkylidyne tungsten complexes [W(CR)(CO)2(η-C5H5)] (R = Me or C6H4Me-4) with the dirhodium compound [Rh2(μ-SPh)2(cod)2]; crystal structure of [W2Rh2(μ-CMe)(μ3-CMe)(μ-SPh)2(CO)4(η-C5H5)2]" @default.
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- W2009768853 doi "https://doi.org/10.1016/0022-328x(90)87124-v" @default.
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