1,4-Benzoquinone (source code)

= 1,4-Benzoquinone
{wiki}

= Para-quinone
{synonym}

A planar conjugated molecule with two opposite carbonyl groups and molecular <point group> $D_{2h}$. A simple eight-site <Hückel method> model uses one perpendicular $p$ orbital on each of its six carbon and two oxygen atoms.