sknano.core
sknano.core.atoms
sknano.core.atoms.POAV1.V3
sknano.core.atoms.POAV1.Vv1v2v3
POAV1.
Vpi
\(\mathbf{v}_{\pi}\) unit Vector
Vector
Returns the \(\pi\)-orbital axis vector (\(\mathbf{v}_{\pi}\)) unit vector.