An improved synthesis of the hexaruthenium carbido cluster Ru6C(CO)17; X-ray structure of the salt [Ph4As]2[Ru6C(CO)16] |
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| Authors: | Brian F.G. Johnson Jack Lewis Stephen W. Sankey Kenneth Wong Mary McPartlin William J.H. Nelson |
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| Affiliation: | University Chemical Laboratory, Lensfield Road, Cambridge CB2 1EW Great Britain;The Chemistry Department, The Polytechnic of North London, London N7 8DB Great Britain |
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| Abstract: | Reaction of ethylene with Ru3(CO)12 under conditions of moderate pressure and temperature gives Ru6C(CO)17 (I) in ca. 70% yield. Reaction of this carbonyl carbido species with base gives the dianion [Ru6C(CO)16]2? ; X-ray analysis of the [Ph4As]+ salt indicates an octahedral array of metal atms with the carbon at the centre of the octahedron and twelve terminal and four edge bridging carbonyl ligands giving an approximate overall C2v symmetry. |
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