2011•SynfactsRequires access
Delocalized Radicals
T. Kubo, Y. Katada, A. Shimizu, Y. Hirao, K. Sato, T. Takui, M. Uruichi, K. Yakushi, R. C. Haddon
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Abstract
Significance The authors synthesized the hydrocarbon radicals stabilized predominantly by a thermodynamic factor. The large extent of delocalization of an unpaired electron suppresses σ-bond formation between the radicals. Instead, the radical forms a π-dimer in the solid state via multicenter bonding of the unpaired electrons.