title: Conformation and NH stretching of 1,1-dihalogenoheptan-1-amines [CH₃(CH₂)₅CX₂NH₂; X=F, Cl or Br]: halogen and solvent effects.
abstract: The effects of halogen and solvent on the conformation and NH stretching of 1,1-dihalogeno-heptan-1-amines [CH3(CH2)5CX2NH2; X=F, Cl or Br] were investigated using the density functional theory method. The functional used was B3LYP employing the 6-31++G(d,p) basis set for all atoms. Computations were carried out for ten possible conformational isomers of the compounds, in the gas phase and both in a non-polar solvent (benzene) and in a polar solvent (methanol). This research work indicates that both the halogen and the medium affect conformational preference, geometrical parameters and NH vibrational frequency. The findings of this work can be useful to those systems involving changes in the conformations analogous to the compounds studied.
authors.affiliation: Department of Physics, Dumlupinar University, Kütahya 43100, Turkey.
authors.forename: Mahir
authors.initials: M
authors.lastname: Tursun
authors.affiliation: Computational Chemistry Group, Department of Chemistry, Faculty of Science, University of Mauritius, Réduit, Mauritius.
authors.forename: Lydia
authors.initials: L
authors.lastname: Rhyman
authors.affiliation: Department of Physics, Dumlupinar University, Kütahya 43100, Turkey.
authors.forename: Cemal
authors.initials: C
authors.lastname: Parlak
authors.affiliation: Computational Chemistry Group, Department of Chemistry, Faculty of Science, University of Mauritius, Réduit, Mauritius. Electronic address: p.ramasami@uom.ac.mu.
authors.forename: Ponnadurai
authors.initials: P
authors.lastname: Ramasami
authors.affiliation: Department of Physics, Science Faculty, Anadolu University, Eskişehir 26470, Turkey.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Şenyel
mesh_terms: D000588:Amines; D006219:Halogens / Q000737:chemistry*; D007536:Isomerism; D008968:Molecular Conformation; D012997:Solvents / Q000737:chemistry*; D013816:Thermodynamics
chemical_list: D000588:Amines; D006219:Halogens; D012997:Solvents
keywords: 1,1-Dihalogeno-heptan-1-amines; DFT; Halogen effect; NH stretching; Solvent effect