NDLI: Ruthenium and osmium carbonyl clusters incorporating stannylene and stannyl ligands

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Raha, Arun K. Nicholson, Brian K. Rosenberg, Edward Kabir, Shariff E. Hassan, Mohammad R. Sharmin, Ayesha Salassa, Luca
Description	Author Affiliation: Kabir SE ( Department of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh.)
Abstract	The reaction of [ Ru $_{3}(CO)$ $_{12}$ ] with Ph $_{3}SnSPh$ in refluxing benzene furnished the bimetallic Ru–Sn compound [ Ru $_{3}(CO)$ $_{8}(μ-SPh)$ $_{2}(μ$ $_{3}-SnPh$ $_{2})(SnPh$ $_{3})$ $_{2}$ ] 1 which consists of a SnPh $_{2}$ stannylene bonded to three Ru atoms to give a planar tetra-metal core, with two peripheral SnPh $_{3}$ ligands. The stannylene ligand forms a very short bond to one Ru atom [Sn–Ru 2.538(1) Å] and very long bonds to the other two [Sn–Ru 3.074(1) Å]. The germanium compound [ Ru $_{3}(CO)$ $_{8}(μ-SPh)$ $_{2}(μ$ $_{3}-GePh$ $_{2})(GePh$ $_{3})$ $_{2}$ ] 2 was obtained from the reaction of [ Ru $_{3}(CO)$ $_{12}$ ] with Ph $_{3}GeSPh$ and has a similar structure to that of 1 as evidenced by spectroscopic data. Treatment of [ Os $_{3}(CO)$ $_{10}(MeCN)$ $_{2}$ ] with Ph $_{3}SnSPh$ in refluxing benzene yielded the bimetallic Os–Sn compound $[Os_{3}(CO)_{9}(μ-SPh)(μ_{3}-SnPh_{2})(MeCN)(η^{1}-C_{6}H_{5})]$ 3. Cluster 3 has a superficially similar planar metal core, but with a different bonding mode with respect to that of 1. The Ph $_{2}Sn$ group is bonded most closely to Os(2) and Os(3) [2.786 and 2.748 Å respectively] with a significantly longer bond to Os(1) , 2.998 Å indicating a weak back-donation to the Sn . The reaction of the bridging dppm compound [ Ru $_{3}(CO)$ $_{10}(μ-dppm)$ ] with Ph $_{3}SnSPh$ afforded [Ru $_{3}(CO)$ $_{6}(μ-dppm)(μ$ $_{3}-S)(μ$ $_{3}-SPh)(SnPh$ $_{3})]$ 5. Compound 5 contains an open triangle of Ru atoms simultaneously capped by a sulfido and a PhS ligand on opposite sides of the cluster with a dppm ligand bridging one of the Ru–Ru edges and a Ph $_{3}Sn$ group occupying an axial position on the Ru atom not bridged by the dppm ligand.
ISSN	14779226
Journal	Dalton Trans.
Issue Number	32
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2008-08-28
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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