Volume 89 Issue 31 | p. 37 | Concentrates
Issue Date: August 1, 2011

A Double Dose Of Crystal-To-Crystal Transformations

Department: Science & Technology
Keywords: crystal engineering, crystal structure, transition-metal complex

Examples of chemical reactions that occur in the solid state without disrupting the crystallinity of the original compound are rare, but Cathleen M. Crudden and coworkers of Queen’s University, in Kingston, Ontario, have discovered an unprecedented back-to-back example of such transformations (Angew. Chem. Int. Ed., DOI: 10.1002/anie.201103316). The chemists were exploring why electron-rich rhodium(I) N-heterocyclic carbene complexes resist oxidation to form rhodium(III) complexes. In one reaction they found that treating a dirhodium ethylene . . .

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