Cyclopentadienyl derivatives of octahedral carbonylcarbide hexaruthenium clusters: synthesis, NMR, IR and X-ray characterization

The reaction of hexanuclear carbonylcarbide cluster Ru 6C(CO) 17 ( 1) with pentamethylcyclopentadiene by reflux in heptane leads to a new chelate cluster Ru 6C( μ- η 1- η 5-CH 2C 5Me 4)(CO) 14 ( 2). The compound 2 contains a CH 2 group α-bonded to one of the Ru atoms in the Ru 6 cluster and a C 5Me...

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Bibliographic Details
Published in:Journal of organometallic chemistry 1996-07, Vol.518 (1), p.115-119
Main Authors: Kaganovich, V.S., Rybinskaya, M.I., Kerzina, Z.A., Dolgushin, F.M., Yanovsky, A.I., Struchkov, Yu.T., Petrovskii, P.V., Kolehmainen, E., Kivikoski, J., Valkonen, J., Laihia, K.
Format: Article
Language:English
Subjects:
CH 2-Bridging ligand
Cluster
Crystal structure
Cyclopentadienyl ligands
Ruthenium
Semibridging carbonyl group
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Summary:The reaction of hexanuclear carbonylcarbide cluster Ru 6C(CO) 17 ( 1) with pentamethylcyclopentadiene by reflux in heptane leads to a new chelate cluster Ru 6C( μ- η 1- η 5-CH 2C 5Me 4)(CO) 14 ( 2). The compound 2 contains a CH 2 group α-bonded to one of the Ru atoms in the Ru 6 cluster and a C 5Me 4-ligand η 5-coordinated by the adjacent Ru atom of the Ru 6 cluster. Reflux of 1 in hexane with two molecular equivalents of nickelocene, Ni(C 5H 5) 2  NiCp 2, used as a source of cyclopentadiene yields the Ru 6C(CO) 12Cp 2 ( 3) cluster. The compounds 2 and 3 have been characterized by NMR and IR spectroscopy and their crystal structures determined by X-ray diffraction studies.
ISSN:0022-328X
1872-8561
DOI:10.1016/0022-328X(96)06191-8