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Spectral studies on some pyrimidine derivatives
Egyptian Journal of Chemistry. 2008; 51 (2): 135-162
em Inglês | IMEMR | ID: emr-99650
ABSTRACT
The electronic absorption spectra of 2-[2'-Thiopyrimidine]-5-nitro-pyridine [I], 1[2'-Thiopyrimidine]-2, 4-dinitrobenzene [II] 2-[2'-Thiopyrimidine]-1, 3, 5-trinitrobenzene [III] and 3-[[2'-Thiopyrimidine] methyl] benzoic acid [IV] were measured in a series of fifteen different solvents. The solvent effects induced spectral shifts in the different peak locations have been analyzed as a function of different solute-solvent interaction mechanisms. Ground state properties of optimum molecular geometries, singlet-singlet electronic transitions have been calculated using the AM1, PM3, ZINDO/S and ab initio/3-21G

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Análise Espectral Idioma: Inglês Revista: Egypt. J. Chem. Ano de publicação: 2008

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Análise Espectral Idioma: Inglês Revista: Egypt. J. Chem. Ano de publicação: 2008