The accessibility of bimetallic units with available and open coordination sites may provide useful inorganic platforms for small-molecule activation through multimetallic cooperativity. We present the syntheses and structural characterization of several bimetallic units with open coordination sites with, M2 (where M = Cr, Mo, W, Rh, Ru, Au),  bridged by bulky formamidinate and guanidinate ligands  . We have explored their redox chemistry through electrochemical methods and through appropriate reducing and oxidizing agents.  Some of these compounds show interesting electronic structures, such as the possibility for high bond orders (M= Cr, Mo, W), second-order Jahn-Teller distortions (M = Au), and interesting magnetic behavior (M = Ru).  We finally show proof of principle results of multi-metallic cooperativity through  their reactivity with alkyl reagents.

Electronic structure and redox properties of bimetallic units with open coordination sites

247th National Meeting (2014)

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