title: Vibrational (FT-IR and FT-Raman) spectra, NBO, HOMO-LUMO, Molecular electrostatic potential surface and computational analysis of 4-(trifluoromethyl)benzylbromide.
abstract: In this work, the vibrational characteristics of 4-(trifluoromethyl) benzylbromide (TFMBB) have been investigated and both the experimental and theoretical vibrational data indicate the presence of functional groups in the title molecule. The density functional theoretical (DFT) computations were performed at the B3LYP/6-311+G (d,p) levels to derive the optimized geometry, vibrational wavenumbers with IR and Raman intensities. Furthermore, the molecular orbital calculations such as natural bond orbitals (NBOs), HOMO-LUMO energy gap and Mapped molecular electrostatic potential (MEP) surfaces were also performed with the same level of DFT. The thermal flexibility of molecule in associated with vibrational temperature was also illustrated on the basis of correlation graphs. The detailed interpretation of the vibrational spectra has been carried out with the aid of potential energy distribution (PED) results obtained from MOLVIB program. The delocalization of electron density of various constituents of the molecule has been discussed with the aid of NBO analysis.
authors.affiliation: Department of Physics, Srimad Andavan Arts and Science College, Tiruchirappalli 620005, India.
authors.forename: M
authors.initials: M
authors.lastname: Karnan
authors.forename: V
authors.initials: V
authors.lastname: Balachandran
authors.forename: M
authors.initials: M
authors.lastname: Murugan
authors.forename: M K
authors.initials: MK
authors.lastname: Murali
authors.forename: A
authors.initials: A
authors.lastname: Nataraj
mesh_terms: D001593:Benzyl Compounds / Q000737:chemistry*; D054879:Halogenation; D008745:Methylation; D008958:Models, Molecular; D017550:Spectroscopy, Fourier Transform Infrared; D013059:Spectrum Analysis, Raman; D055672:Static Electricity
chemical_list: D001593:Benzyl Compounds; C038682:benzyl bromide
keywords: 4-(Trifluoromethyl)benzylbromide; HOMO–LUMO; MEP surface; NBO; Vibrational spectra