An experimental and theoretical investigation of Acenaphthene-5-boronic acid: Conformational study, NBO and NLO analysis, molecular structure and FT-IR, FT-Raman, NMR and UV spectra
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Tarih
2013
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Yayıncı
Elsevier B.V.
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
The solid state Fourier transform infrared (FT-IR) and FT-Raman spectra of Acenaphthene-5-boronic acid (AN-5-BA), have been recorded in the range 4000-400 cm1 and 4000-10 cm 1, respectively. Density functional theory (DFT), with the B3LYP functional was used for the optimization of the ground state geometry and simulation of the infrared and Raman spectra of the molecule. The vibrational wave numbers and their assignments were examined theoretically using the Gaussian 09 set of quantum chemistry codes and the normal modes were assigned by a scaled quantum mechanical (SQM) force field approach. Hydrogen-bonded dimer of AN-5-BA, optimized by counterpoise correction, has also been studied by B3LYP at the 6-311++G(d,p) level and the effects of molecular association through O-H·O hydrogen bonding have been discussed. The 1H and 13C nuclear magnetic resonance (NMR) chemical shifts of the molecule were calculated by Gauge-Including Atomic Orbital (GIAO) method. Natural bond orbital (NBO) analysis has been applied to study stability of the molecule arising from charge delocalization. UV spectrum of the title compound was also recorded and the electronic properties, such as frontier orbitals, and band gap energies were measured by TD-DFT approach. The first order hyperpolarizability (?), its components and associated properties such as average polarizability and anisotropy of the polarizability (? and ??) of AN-5-BA was calculated using the finite-field approach. © 2013 Elsevier B.V. All rights reserved.
Açıklama
Anahtar Kelimeler
Acenaphthene-5-boronic acid, FT-IR, FT-Raman, Hyperpolarizability, NBO, NMR and UV-vis. spectrum, Vibrational analysis, Chemical analysis, Chemical bonds, Dimers, Electronic properties, Energy gap, Ground state, Hydrogen bonds, Molecules, Nuclear magnetic resonance, Polarization, Quantum chemistry, Quantum theory, Raman scattering, Ultraviolet spectroscopy, Vibrations (mechanical), Boronic acid, First-order hyperpolarizability, FT-Raman, Gauge-including atomic orbitals, Hyper-polarizability, Natural bond orbital analysis, Nuclear magnetic resonance chemical shifts, Vibrational analysis, Density functional theory, acenaphthene, acenaphthene derivative, dimethyl sulfoxide, Acenaphthene-5-boronic acid, article, chemical structure, chemistry, conformation, dimerization, electron, FT-IR, FT-Raman, hydrogen bond, Hyperpolarizability, infrared spectroscopy, light related phenomena, NBO, NMR and UV-vis. spectrum, nonlinear system, nuclear magnetic resonance spectroscopy, Raman spectrometry, solution and solubility, thermodynamics, ultraviolet spectrophotometry, vibration, Vibrational analysis, Acenaphthene-5-boronic acid, FT-IR, FT-Raman, Hyperpolarizability, NBO, NMR and UV-vis. spectrum, Vibrational analysis, Acenaphthenes, Dimerization, Dimethyl Sulfoxide, Electrons, Hydrogen Bonding, Magnetic Resonance Spectroscopy, Models, Molecular, Molecular Conformation, Nonlinear Dynamics, Optical Phenomena, Solutions, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared, Spectrum Analysis, Raman, Thermodynamics, Vibration, Acenaphthene-5-boronic acid, FT-IR, FT-Raman, Hyperpolarizability, NBO, NMR and UV-vis. spectrum, Vibrational analysis, Chemical analysis, Chemical bonds, Dimers, Electronic properties, Energy gap, Ground state, Hydrogen bonds, Molecules, Nuclear magnetic resonance, Polarization, Quantum chemistry, Quantum theory, Raman scattering, Ultraviolet spectroscopy, Vibrations (mechanical), Boronic acid, First-order hyperpolarizability, FT-Raman, Gauge-including atomic orbitals, Hyper-polarizability, Natural bond orbital analysis, Nuclear magnetic resonance chemical shifts, Vibrational analysis, Density functional theory, acenaphthene, acenaphthene derivative, dimethyl sulfoxide, Acenaphthene-5-boronic acid, article, chemical structure, chemistry, conformation, dimerization, electron, FT-IR, FT-Raman, hydrogen bond, Hyperpolarizability, infrared spectroscopy, light related phenomena, NBO, NMR and UV-vis. spectrum, nonlinear system, nuclear magnetic resonance spectroscopy, Raman spectrometry, solution and solubility, thermodynamics, ultraviolet spectrophotometry, vibration, Vibrational analysis, Acenaphthene-5-boronic acid, FT-IR, FT-Raman, Hyperpolarizability, NBO, NMR and UV-vis. spectrum, Vibrational analysis, Acenaphthenes, Dimerization, Dimethyl Sulfoxide, Electrons, Hydrogen Bonding, Magnetic Resonance Spectroscopy, Models, Molecular, Molecular Conformation, Nonlinear Dynamics, Optical Phenomena, Solutions, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared, Spectrum Analysis, Raman, Thermodynamics, Vibration
Kaynak
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Cilt
115
