CHEMICAL PHYSICS LETTERS, vol.364, pp.463-468, 2002 (SCI-Expanded)
The azimuthal angle of alternant hydrocarbons is considered and an upper bound has been obtained. Diastereotopic and enantiotopic isospectral isomers of the alternant hydrocarbons in context with the azimuthal angle are discussed. (C) 2002 Elsevier Science B.V. All rights reserved.