African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 368

Full Length Research Paper

Effects of solvent on the UV-visible absorption spectra of acenaphtho(1,2-b) quinoxaline and acenaphtho(1,2-b)benzo(g)quinoxaline

S. A. Ahmed1*, N. O. Obi-Egbedi2, N. W. Odozi2, I. Iweibo2 and M. D. Adeoye3
1Department of Chemistry, University of Agriculture, Abeokuta, Nigeria. 2Department of Chemistry, University of Ibadan, Ibadan, Nigeria. 3Department of Chemical Sciences, Fountain University, Osogbo, Nigeria.
Email: [email protected]

  •  Accepted: 09 June 2011
  •  Published: 10 October 2011

Abstract

The effects of solvent on the electronic absorption spectra has been used to investigate the structural and molecular properties of acenaphtho(1,2-b)quinoxaline and acenaphtho(1,2-b) benzo(g)quinoxaline. The structures of the compounds have been established by UV-visible spectrophotometer. The spectra behaviours in terms of dipole moments in the ground and excited states have been interpreted and related to the transition energies, intensities and the molecular structures of the compounds.

 

Key words: Solvent effects, dipole moments, solvent polarizability, transition energies. 

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