Published January 1, 2008
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Quantum chemical studies on the structures of some heterocyclic azo disperse dyes
- 1. Hacettepe Univ, Fac Sci, Dept Chem, TR-06532 Beytepe, Turkey
- 2. Gazi Univ, Fac Arts & Sci, Dept Chem, TR-06500 Ankara, Turkey
- 3. Eskisehir Osmangazi Univ, Fac Arts & Sci, Dept Chem, TR-26040 Eskisehir, Turkey
Description
The ground-state geometries, absorption wavelengths, oscillation strengths for a series of some novel hetarylazoindole derivatives were studied with density functional theory (DFT) and time-dependent density functional theory (TD-DFT). All calculations were carried out with Gaussian03 software package. A comparison of the computed and the experimental data revealed that the most appropriate functional and basis sets are B3LYP, 6-31G(d), 6-31G(d, p), and 6-311G(d, p). An excellent agreement between the experimental and computed data for lambda(max) determinations were observed.
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