Calculation of kinetic energy functions for the ring-twisting and ring-bending vibrations of tetralin and related molecules
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Vector methods have been developed for the computation of the kinetic energy (reciprocal reduced mass) expressions for the ring-twisting and ring-bending vibrations of bicyclic molecules in the tetralin family. The definitions of the bond vectors in terms of these coordinates are presented. Both one- and two-dimensional kinetic energy surfaces have been calculated for tetralin and 1,4-benzodioxan and both are significantly coordinate dependent. The results for the S0 electronic ground states and S1(, *) excited states are presented. 2006 Elsevier B.V. All rights reserved.