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Study of the Infrared Absorption Spectra of Some Pyridine Derivatives-Iodine Complexes

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The ir absorption spectra of some pyridine derivatives-iodine complexes were measured in the region 400 to 1400 cm−1 and the results are discussed. The effect of complex formation on the intensities of some of the bands was investigated. The thermodynamic constants of these complexes were calculated. It was found that the stability of the complex depends to a large extent on the electronegativity as well as the position of the substituent on the pyridine nucleus. The structures of formed complexes are discussed.

Keywords: Complexes; Infrared spectra

Document Type: Research Article


Affiliations: 1: National Research Centre, Cairo, Egypt; present address: Department of Physics, Faculty of Science, University of Tripoli, Tripoli, Libya 2: National Research Centre, Cairo, Egypt; present address: Faculty of Engineering, Cairo University, Cairo, Egypt

Publication date: March 1, 1976

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