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Title
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Spectroscopic (FT-IR, FT-Raman) investigations and quantum chemical calculations of 4-hydroxy-2-oxo-1,2-dihydroquinoline-7-carboxylic acid
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Author
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Abstract
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| Quinoline derivatives have good nonlinear optical properties and have been extensively studied due to their great potential application in the field of organic light emitting diodes. Quantum chemical calculations of the equilibrium geometry, harmonic vibrational frequencies, infrared intensities and Raman activities of 4-hydroxy-2-oxo-1,2-dihydroquinoline-7-carboxylic acid in the ground state were reported. Potential energy distribution of normal modes of vibrations was done using GAR2PED program. The synthesis, H-1 NMR and PES scan results are also discussed. Nonlinear optical behavior of the examined molecule was investigated by the determination of first hyperpolarizability. The calculated HOMO and LUMO energies show the chemical activity of the molecule. The stability of the molecule arising from hyperconjugative interaction and charge delocalization has been analyzed using NBO analysis. The calculated geometrical parameters are in agreement with that of similar derivatives. (C) 2013 Elsevier B.V. All rights reserved. |
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Language
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English
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Source (journal)
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Spectrochimica acta: part A: molecular and biomolecular spectroscopy. - Oxford
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Publication
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Oxford
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2014
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ISSN
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1386-1425
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DOI
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10.1016/J.SAA.2013.10.114
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Volume/pages
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121
(2014)
, p. 404-414
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ISI
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000331341100054
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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