Computation of the Sadhana (Sd) Index of Linear Phenylenes and Corresponding Hexagonal Sequences

Document Type : Research Paper


1 Institute of Engineering and Technology, India

2 IPS Academy, India

3 Technische Universitat Iimenau, Ilmenau

4 Khatipura, India


The Sadhana index (Sd) is a newly introduced cyclic index. Efficient formulae for calculating the Sd (Sadhana) index of linear phenylenes are given and a simple relation is established between the Sd index of phenylenes and of the corresponding hexagonal sequences.