Table 2 Edge types of chevron-like graphene nanoribbons.

From: Molecular characterization and information entropies of chevron-like graphene nanoribbons with chemical applications

Bond type

\((d_{\alpha },d_{\beta })\)

Total no. of C-C bonds (edges)

C-C

(2,2)

\(4mn-4m+2n+4\)

C-C

(2,3)

\(8mn-8m+4n-4\)

C-C

(3,3)

\(27mn^{2}-52mn+25m+n-1\)