White phosphorus
= White phosphorus
A molecular allotrope consisting of tetrahedral $\mathrm P_4$ molecules. Every vertex has three P–P bonds and one <lone pair>; its $60^\circ$ P–P–P angles produce substantial angle strain.
= White phosphorus
A molecular allotrope consisting of tetrahedral $\mathrm P_4$ molecules. Every vertex has three P–P bonds and one <lone pair>; its $60^\circ$ P–P–P angles produce substantial angle strain.