E. Cabaleiro-Lago, J. Carrazana-García, Iván González-Veloso, J. Rodríguez-Otero
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Computational study of stacked complexes of aliphatic and aromatic species
The interaction between extended aromatic species increases with system size at greater rate than interactions between aliphatic analogues or mixed aliphatic-aromatic ones. A series of complexes formed by benzene and cyclohexane with several acenes and their saturated derivatives has been computationally studied by using the TPSSD3BJ/def2-TZVPP level of calculation. Considering prototypical structures, the equilibrium distances and interaction energies of the complexes have been obtained. The results are used to check on the characteristics of similar π-extended π, sextended π, π-extended s and s-extended s complexes.