It's Crystal Clear

It's Crystal Clear

Author: Angewandte Chemie International Edition

Cathleen M. Crudden and her team from Queen’s University, Canada, have added to the rare series of organometallic single-crystal-to-single-crystal transformations. These types of chemical transformations occur in the solid state without disruption of crystalline order.

They demonstrated that rhodium NHC complexes undergo back-to-back single-crystal-to-single-crystal transformations by selective nonreversible ligand exchange reactions. See rhodium complexes ligated by different NHC ligands on the picture.

Slow diffusion of O2 converts a dinitrogen complex into a dioxygen complex, and CO subsequently replaces O2. The possible applications for this process include crystal engineering and chemical sensing.

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