SEARCH Articles Figures Tables Anions, aromatic Aromatic cyclopentadienyls Aromatic rings cyclopentadienyl anion Aromaticity anions Aromaticity, cycloheptatrienyl cation cyclopentadienyl anion and Cyclopentadienyl anion Cyclopentadienyl anion, aromaticity electrostatic potential map Cyclopentadienyl anion, aromaticity molecular orbitals