Theoretical study of nitrogen heterocyclics. IV. Molecular diagrams and carcinogenic activity of some naphthindoles

Molecular-orbital calculations of structural static parameters (bond orders, π-electron densities and free valences) and dynamic indices (atom, ortho- and para-localization energies) are presented for a number of naphthindoles. The results are used to predict the chemical properties of the molecules. We have made a comparison of the carcinogenic inactivity and the static and dynamic complex indices used to characterize the K region in some benzindoles and these naphthindoles.