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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Vitnik, Vesna D. Vitnik, Zeljko J. Juranic, Ivan O. Valentic, Natasa V. Banjac, Nebojsa R. Uscumlic, Gordana S. |
| Description | Author Affiliation: Vitnik VD ( Department of Chemistry, IChTM, University of Belgrade, Studentski trg 12-16, 11001 Belgrade, Serbia. Electronic address: vesnak@chem.bg.ac.rs.) |
| Abstract | This study represents an integrated approach towards understanding the vibrational, electronic, NMR, and structural aspects, and reactivity of 1-(4-chloro-phenyl)-3-phenyl-succinimide (CPPS). A detailed interpretation of the FT-IR, UV and NMR spectra were reported. The equilibrium geometry, bonding features, and harmonic vibrational frequencies have been investigated with the help of density functional theory (DFT) B3LYP method using 6-31G(d,p) and 6-311++G(d,p) basis set. The scaled theoretical wavenumber showed very good agreement with the experimental values. The (1)H and (13)C nuclear magnetic resonance (NMR) chemical shifts of the molecule were calculated by the Gauge-Invariant Atomic Orbital (GIAO) method. Stability of the molecule, arising from hyperconjugative interactions and charge delocalization, has been analyzed using Natural Bond Orbital (NBO) analysis. The results show that ED in the σ(*) and π(*) antibonding orbitals and second order delocalization energies E(2) confirm the occurrence of intramolecular charge transfer (ICT) within the molecule. UV-Vis spectrum of the compound was recorded and the electronic properties, such as HOMO and LUMO energies, were calculated by Time-Dependent DFT (TD-DFT) approach. To estimate chemical reactivity of the molecule, the molecular electrostatic potential (MEP) surface map is calculated for the optimized geometry of the molecule. |
| ISSN | 13861425 |
| Volume Number | 117 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-03 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Anticonvulsants Chemistry Magnetic Resonance Spectroscopy Quantum Theory Spectrophotometry, Ultraviolet Spectroscopy, Fourier Transform Infrared Succinimides Models, Molecular Spectrum Analysis, Raman Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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