SEARCH Articles Figures Tables And nonclassical ions As nonclassical ions Carbenium ions nonclassical Carbocations nonclassical ions Carbonium ions Nonclassical carbocations Classical-nonclassical ion controversy Hypercoordinate (Nonclassical) Carbonium Ions Is the Nonclassical Ion an Intermediate Nonclassical Nonclassical Ions with Hydrogen Bridged Nonclassical bicyclobutonium ions Nonclassical carbonium ions Nonclassical ion controversy The Nonclassical Ion Problem