Spectroscopic studies of [M(CO)5M′(CO)3(1,4-diazabuta-1,3-diene)] (M,M' = Mn,Re) and their photolysis products |
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| Authors: | MW Kokkes AMF Brouwers DJ Stufkens A Oskam |
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| Institution: | Anorganisch Chemisch Laboratorium, University of Amsterdam, Nieuwe Achtergr. 166, 1018 WV Amsterdam The Netherlands |
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| Abstract: | Photolysis of M(CO)5M′(CO)3(dab)] (M, M′ = Mn, Re; dab = 1,4-diazabuta-1,3-diene, RNCHCHNR) in 2-Me-THF leads to both homolytic and heterolytic splitting of the metalmetal bond depending on the solution temperature. In a rigid medium such as a CH4-matrix no breaking of the metalmetal bond is observed but instead formation of M(CO)3M′(CO)3(dab)] in which compound the dab-ligand is σ,σ,π,π bridging between M and M′. |
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