Clar polynomials of large benzenoid systems (CROSBI ID 80859)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Randić, Milan ; El-Basil, Sherif ; Nikolić, Sonja ; Trinajstić, Nenad
engleski
Clar polynomials of large benzenoid systems
We discuss the constructions of Clar-like valence structures and the associated Clar polynomials for large benzenoids. We have shown that Clar polynomial satisfy a theorem analogous to the Clarke's theorem for the characteristic polynomial of graphs, which allows one to reconstruct the polynomial of a system from the polynomials associated with qualified substructures. In the case of Clar's polynomial the substructures are obtained by deleting individual benzene rings from the considered benzenoid, one at a time. This property of Clar polynomial allows one to construct the polynomial of larger systems from known Clar's polynomials of smaller benzenoids.
Polycyclic aromatic-hydrocarbons; Diffuse interstellar bands; Resonance energies; Graph; Spectroscopy; Conjugation
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