Solid state structural chemistry has played an important role in our understanding of actinide chemical behavior. Over the past several years, our group has harnessed both ligand complexation and noncovalent interactions towards the isolation of novel An(IV) structural units with an eye towards understanding the factors that govern aqueous actinide speciation, and the correlation between solution and solid state species. In particular, we have focused extensively on monoanionic carboxylate ligand systems and the effects that ligand identity (e.g. pKa, flexibility/rigidity) and solution conditions have on species formation, stability, and reactivity. From this work we have isolated a number of structural units that range from mononuclear complexes to large polyoxo clusters. Inspired by this work as well as recent reports on the utility of metal-organic frameworks in the isolation of unprecedented structural units, actinide waste form design, and ion exchange, separations, and detection technologies, we have more recently sought to extend our efforts into multidimensional network materials using polyfunctional ligands. Presented here will be an overview of the synthesis, structural chemistry, and properties of recently prepared actinide polycarboxylates with extended networks.

Multidimensional actinide-organic networks: Building upon insights from actinide-monocarboxylates

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.