RELATIONSHIP OF MOLECULAR WEIGHT WITH RANDIĆ INDEX, HARMONIC INDEX AND π-ELECTRON ENERGIES OF SOME BENZENOID HYDROCARBONS
H. S. RAMANE *
Department of Mathematics, Karnatak University, Dharwad-580 003, India
R. B. JUMMANNAVER
Department of Mathematics, Karnatak University, Dharwad-580 003, India.
V. S. HADIMANI
Department of Mathematics, Karnatak University, Dharwad-580 003, India.
*Author to whom correspondence should be addressed.
Abstract
We report relationship between molecular weights of some lower benzenoid hydrocarbons with other graph invariants called Randić index, harmonic index and π-electron energies of some benzenoid hydrocarbons. Based on these correlations we obtain relationship between molecular weights with Randić index, molecular weights with harmonic index, and molecular weights with energy of some lower benzenoid hydrocarbons and discussed which model is better among these three invariants.
Keywords: Randić index;, harmonic index, π-electron energy, benzenoid hydrocarbons