sknano.structures
sknano.structures.SWNTMixin.rt
sknano.structures.SWNTMixin.t2
SWNTMixin.
t1
\(t_{1} = \frac{2m + n}{d_{R}}\)
where \(d_R = \gcd{(2n + m, 2m + n)}\).
The component of the translation vector \(\mathbf{T}\) along \(\mathbf{a}_1\):