sknano.core.atoms.POAVR.Vpi

POAVR.Vpi

\(\mathbf{v}_{\pi}\) unit Vector

Returns the \(\pi\)-orbital axis vector (\(\mathbf{v}_{\pi}\)) unit vector.

\[\mathbf{V}_{\pi} = \frac{\mathbf{v}_{\pi}}{|\mathbf{v}_{\pi}|}\]