PYRIDINE DERIVATIVES AS COMPLEXING AGENTS XII. Thermodynamics of Complex Formation with 2-Pyridylmethyl-iminodiacetic Acid and its 6-Methyl Substituted Derivative

1981 ◽  
Vol 11 (3) ◽  
pp. 171-175 ◽  
Author(s):  
G. Anderegg
Keyword(s):  
Complex Formation ◽  
Iminodiacetic Acid ◽  
Complexing Agents ◽  
Pyridine Derivatives ◽  
Thermodynamics Of Complex Formation

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

1976 ◽  
Vol 30 (2) ◽  
pp. 200-204 ◽  
Author(s):  
F. M. Abdel Kerim ◽  
F. Abou El Fotouh
Keyword(s):  
Complex Formation ◽  
Absorption Spectra ◽  
Infrared Absorption ◽  
Ir Absorption ◽  
Pyridine Derivatives ◽  
Thermodynamic Constants ◽  
Ir Absorption Spectra ◽  
Infrared Absorption Spectra ◽  
The Stability ◽  
Iodine Complexes

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.

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