Molybdenum sulphide clusters as redox-active supports for low-valent uranium

Literature Information

Publication Date 2023-11-29
DOI 10.1039/D3CC05561B
Impact Factor 6.222
Authors

Kamaless Patra, William W. Brennessel, Ellen M. Matson


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Abstract

The preparation of an actinide substituted cubane cluster, (Cp*3Mo3S4)Cp*UI2, and its reduced derivatives are reported. Structural and spectroscopic investigations provide insight into the unique interactions between the actinide and its redox-active molybdenum sulphide metalloligand, serving as a model to study atomically-dispersed, low-valent actinide ions on MoS2 surfaces. To probe the ability of the assembly to facilitate multielectron small molecule activation, the reactivity of the fully-reduced cluster, (Cp*3Mo3S4)Cp*U, with azobenzene was investigated. Addition of the substrate results in the formation of a cis-bis-imido cluster, (Cp*3Mo3S4)Cp*U(NPh)2. Cooperative reactivity between the actinide and redox-active support facilitates the 4e−-reduction of substrate.

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