Phenyl

Definition

A phenyl group is a ring of six carbon atoms bonded together in a hexagonal planar shape, attached to another molecule by one of those carbon atoms. It is essentially a benzene molecule missing one hydrogen atom.

Related terms

Aromaticity:

The chemical property of conjugated ring molecules with delocalized pi electrons, such as benzene, which gives them unique stability.

Benzene:

An aromatic hydrocarbon consisting of six carbon atoms arranged in a hexagonal ring, with alternating single and double bonds.

Substituent:

An atom or group of atoms that replaces hydrogen on the parent chain of a hydrocarbon, altering its chemical properties