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BULLETIN DES SOCIETES CHIMIQUES BELGES, vol.106, no.4, pp.201-204, 1997 (SCI-Expanded)
Various Huckel type cyclacenes and silacyclacenes are subject to semi-empirical molecular orbital treatment at the level of AMI type. Cyclacenes having silicon atom at the peri and fusion points of arenoid rings as well as all-silated cyclacenes are considered. The cryptoannulenic effects, frontier molecular orbital energies, geometries and polarizabilities of these structures have been examined.