How to Find the Fries Structures for Benzenoid Hydrocarbons
AbstractAn efficient algorithm leading to the Fries canonical structure is presented for benzenoid hydrocarbons. This is a purely topological approach, which is based on adjacency matrices and the Hadamard procedure of matrix multiplication. The idea is presented for naphthalene, as an example. The Fries canonical-structures are also derived for anthracene, coronene, triphenylene, phenanthrene, benz[a]pyrene, and one large benzenoid system. The Fries concept can be convenient for obtaining Clar structures with the maximum number of sextets, which in turn effectively represent π-electron (de)localization in benzenoid hydrocarbons.
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Ciesielski, A.; Krygowski, T.M.; Cyrański, M.K. How to Find the Fries Structures for Benzenoid Hydrocarbons. Symmetry 2010, 2, 1390-1400.
Ciesielski A, Krygowski TM, Cyrański MK. How to Find the Fries Structures for Benzenoid Hydrocarbons. Symmetry. 2010; 2(3):1390-1400.Chicago/Turabian Style
Ciesielski, Arkadiusz; Krygowski, Tadeusz M.; Cyrański, Michał K. 2010. "How to Find the Fries Structures for Benzenoid Hydrocarbons." Symmetry 2, no. 3: 1390-1400.