The reaction of molybdenum hexacarbonyl, Mo(CO)6, with acetic acid and acetic anhydride yields a unique trinuclear molybdenum cluster with bridging (bidentate) and terminal acetate ligands. The synthesized compound ([Mo3(�3-X)2(�-O2CCH3)6(O2CCH3)3]-2 ;X = O, S, and/or CCH3) when dissolved in water causes the terminal acetate ligands to exchange rapidly with incoming water ligands. Our group is interested in how these ligands affect the rate of dissociation of the three-coordinate ligands. The rates of substitution will be determined using NMR and the activation parameters using VT-NMR. We are interested in using the analog compounds to study the reactivity of Mo-enzymes, which is controlled by different ligands.

Synthesis, characterization, and reaction kinetics of polymetallic molybdenum clusters

248th National Meeting (2014)

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