The photochemistry of matrix-isolated (η5-C5H5)Fe(CO)2Co(CO)4: Evidence for two photochemical pathways |
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| Authors: | Susan C Fletcher Martyn Poliakoff James J Turner |
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| Institution: | Department of Chemistry, University of Nottingham, Nottingham, NG7 2RD Great Britain |
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| Abstract: | Unusual observations of the photochemistry of CpFe(CO)2Co(CO)4 (Cp = η5-C5H5) are presented. In low temperature matrices (i.e. Ar at 10 K) there are two photochemical pathways (i) reversible CO loss to form CpFeCo(CO)5 and (ii) heterophotolysis leading, in the presence of excess CO, to in situ formation of CpFe(CO)3]+ and Co(CO)4]? ions. In N2-doped matrices, a dinitrogen substitution product, CpFeCo(CO)3(N2)(μ-CO)2 is formed. All products are identified from their IR spectra. |
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