Analysis of the parameters of Franck–Condon and Herzberg–Teller interactions the molecules of substituted diphenylbutadienes

We have done quantitative analysis of parameters Franck-Condon and Herzberg-Teller interactions of substituted diphenylbutadiene with general formula all-trans-X-Ph-(C = C)2-Ph-Y (X, Y = H, NO2, N(CH3)2, NH2 various combinations). The research shows the influence of substituents on the vibronic parameters of characteristic bands, which describe the state (vibrations, types of deformation under excitation) of the phenyl ring and the polyene bridge at the diphenylbutadiene molecule. Results described impact of the substituent’s nature on the parameters of intra- and intermolecular interactions presents for the studied compounds.

Abstract licence: CC BY

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