INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, cilt.42, sa.6, ss.1295-1297, 2003 (SCI-Expanded)
Starting with the concept of T(A) graphs for alternant hydrocarbons, a novel topological index is defined. The index differentiates isomeric as well as isospectral molecules very well. The index is applicable to saturated or unsaturated systems and can be extended to heteroatom containing structures.