Allyl anion [C3H5]- Carbanion, propenyl Prop-1-ene-3-ide anion Propenyl anion 2 Reactions utilise: Allyl anion C 3 H 5   charge = -1   Real ion. Gram formula weight (molecular mass) = 41.071 Allyl anion is defined with respect to the entities below: The entities below are defined with respect to: Allyl anion Allyl anion (generic) Allyl FMO (generic) Ambidentate Lewis base (generic) Carbanion (generic) pi-HOMO Lewis base (generic) Real complex ion (generic) chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis