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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/9868

Title: Synthesis and Molecular Structures of the Cobalt Complexes (eta(4)-C(4)Me(4)) Co(CO)(2)SnCl(3), (eta(4)-C(4)Me(4))Co(CO)(2)(TeI(2)Ph), and (eta(4)-C(4)Me(4))Co(CO)(2) (TeBrIPh) with the Shortened Co-Sn and Co-Te Bonds
Authors: TORUBAEV, YV
PASYNSKII, AA
GALUSTYAN, AR
MATHUR, P
Keywords: derivatives
crystal
Issue Date: 2009
Publisher: MAIK NAUKA/INTERPERIODICA/SPRINGER
Citation: RUSSIAN JOURNAL OF COORDINATION CHEMISTRY, 35(1), 1-5
Abstract: The complex (eta(4)-C(4)Me(4))Co(CO)(2)I (I) reacted with excess SnCl(2) in boiling THF to give, through replacement of the iodide ligand by the fragment SnCl 3, the mononuclear complex (eta(4)-C(4)Me(4))Co(CO)(2)SnCl(3) (II) containing the Co-Sn bond (2.459(1)angstrom). In a reaction of complex I with phenyltellurenyl halides PhTeI and PhTeBr, an analogous insertion into the cobalt - iodine bond yielded (eta(-)C(4)Me(4))Co(CO)(2)(TeI(2)Ph) (III) and (eta(4)-C(4)Me(4))Co(CO)(2)(TeBrIPh) (IV), respectively. This type of coordination of the aryltellurenyl halide fragment to the transition metal atom was observed for the first time. X-ray diffraction analysis revealed a substantial shortening of the formally single Co-Sn and Co-Te bonds in complexes II - IV compared to the sum of the covalent radii of the corresponding atoms.
URI: http://dx.doi.org/10.1134/S1070328409010011
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9868
http://hdl.handle.net/10054/9868
ISSN: 1070-3284
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