Heterocyclic analogues of cyclohexene: theoretical studies of the molecular structures and ring-inversion processes.
Shishkina SV, Shishkin OV, Desenko SM, Leszczynski J. Heterocyclic analogues of cyclohexene: theoretical studies of the molecular structures and ring-inversion processes. J Phys Chem A. 2007 Mar 29; 111(12):2368-75.