Article ID Journal Published Year Pages File Type
1236277 Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2006 6 Pages PDF
Abstract
Quantum chemical simulations of UV-absorption spectra in substituted bis-pyrazolopyridines were done. As a theoretical tool time dependent density functional theory (TDDFT) method with Vosko-Wilk-Nusair parameterisation was applied. Comparison of the theoretically simulated UV-absorption spectra with experimental data was performed. Crucial role of π-conjugated bonds within the backside phenyl rings is demonstrated. Physical insight of the several observed discrepancies between the calculations and experimental data is discussed. A comparison of the TDDFT and several semi-empirical approaches is given.
Related Topics
Physical Sciences and Engineering Chemistry Analytical Chemistry
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