Synthesis and characterization of a polycarbon organometallic cluster, [PPN]2[Fe6(CO)18C4 |
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| Authors: | Norton D M Shriver D F |
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| Institution: | Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, USA. |
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| Abstract: | The polycarbon metal cluster Fe6(CO)18C4]2- is formed by the reaction of CF3SO3SO2CF3 with Fe3(CO)9(CCO)]2-. Apparently, the SO2CF3 moiety abstracts an oxygen from the ketenylidene (CCO) ligand and C-C coupling occurs to form the C4 ligand. A single-crystal X-ray structure determination reveals that the pattern of C-C bond lengths of the C4 ligand in Fe6(CO)18C4]2- mimic those in free butadiene. |
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