sknano.core.atoms.POAV2.T

POAV2.T

$\frac{1}{6}$ the volume of the tetrahedron defined by Vectors V1, V2, and V3.

$$T = \cos\theta_{12}\cos\theta_{23}\cos\theta_{31}\times \frac{|\mathbf{V}_1\cdot(\mathbf{V}_2\times\mathbf{V}_3)|}{6}$$