An investigation on structural, vibrational and nonlinear optical behavior of 4b,9b-dihydroxy-7,8-dihydro-4bH-Indeno[1,2-b] Benzofuran-9,10(6H,9bH)-dione: A DFT study

A detailed theoretical quantum chemical study on 4b,9b-dihydroxy-7,8-dihydro-4bH-indeno[1,2-b] benzofuran-9,10(6H,9bH)-dione (Dihydroxy-Dihydro-Indeno-Benzofuran-Dione) has been discussed. The structure of the title molecule has been optimized and the structural parameters have been calculated by DF...

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Published inJournal of chemical sciences (Bangalore, India) Vol. 127; no. 12; pp. 2217 - 2223
Main Authors HASAN, TANVEER, MEHDI, SAYED HASAN, GHALIB, RAZA MURAD, SINGH, P K, MISRA, NEERAJ
Format Journal Article
LanguageEnglish
Published New Delhi Springer India 01.12.2015
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Abstract A detailed theoretical quantum chemical study on 4b,9b-dihydroxy-7,8-dihydro-4bH-indeno[1,2-b] benzofuran-9,10(6H,9bH)-dione (Dihydroxy-Dihydro-Indeno-Benzofuran-Dione) has been discussed. The structure of the title molecule has been optimized and the structural parameters have been calculated by DFT/B3LYP method with 6-311 ++G(d,p) basis set. The fundamental vibrational wavenumbers as well as their intensities were calculated and excellent agreement between observed and calculated wavenumbers has been achieved and was interpreted in terms of potential energy distribution analysis. The electronic properties such as HOMO and LUMO energies and associated frontier energy band gap were calculated. Thermodynamical parameters along with the nonlinear optical (NLO) behavior of the title molecule are also discussed. The lower value of frontier orbital energy gap and a higher value of dipole moment suggest that the title compound is highly reactive. The NLO behavior of the title compound has been achieved by dipole moment, polarizability and first static hyperpolarizability. The large value of hyperpolarizability β total , indicates that the title molecule may serve as a good NLO material. The theoretical results were found to be in coherence with the measured experimental data. Graphical Abstract A detailed theoretical quantum chemical study on Dihydroxy-Dihydro-Indeno-Benzofuran-Dione, has been discussed along with HOMO, LUMO energies, energy band gap, nonlinear optical (NLO) and thermodynamical properties are discussed.
AbstractList A detailed theoretical quantum chemical study on 4b,9b-dihydroxy-7,8-dihydro-4bH-indeno[1,2-b] benzofuran-9,10(6H,9bH)-dione (Dihydroxy-Dihydro-Indeno-Benzofuran-Dione) has been discussed. The structure of the title molecule has been optimized and the structural parameters have been calculated by DFT/B3LYP method with 6-311 ++G(d,p) basis set. The fundamental vibrational wavenumbers as well as their intensities were calculated and excellent agreement between observed and calculated wavenumbers has been achieved and was interpreted in terms of potential energy distribution analysis. The electronic properties such as HOMO and LUMO energies and associated frontier energy band gap were calculated. Thermodynamical parameters along with the nonlinear optical (NLO) behavior of the title molecule are also discussed. The lower value of frontier orbital energy gap and a higher value of dipole moment suggest that the title compound is highly reactive. The NLO behavior of the title compound has been achieved by dipole moment, polarizability and first static hyperpolarizability. The large value of hyperpolarizability β total , indicates that the title molecule may serve as a good NLO material. The theoretical results were found to be in coherence with the measured experimental data. Graphical Abstract A detailed theoretical quantum chemical study on Dihydroxy-Dihydro-Indeno-Benzofuran-Dione, has been discussed along with HOMO, LUMO energies, energy band gap, nonlinear optical (NLO) and thermodynamical properties are discussed.
Author HASAN, TANVEER
MEHDI, SAYED HASAN
MISRA, NEERAJ
SINGH, P K
GHALIB, RAZA MURAD
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Keywords NLO
Benzofuran-dione
DFT
Quantum chemical calculations
FT-IR spectrum
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Snippet A detailed theoretical quantum chemical study on 4b,9b-dihydroxy-7,8-dihydro-4bH-indeno[1,2-b] benzofuran-9,10(6H,9bH)-dione...
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Title An investigation on structural, vibrational and nonlinear optical behavior of 4b,9b-dihydroxy-7,8-dihydro-4bH-Indeno[1,2-b] Benzofuran-9,10(6H,9bH)-dione: A DFT study
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