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KMID : 1059519930370110929
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Journal of the Korean Chemical Society
1993 Volume.37 No. 11 p.929 ~ p.936
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A Study on Charge Transfer Complexes of 1,2,3,4-Tetrahydrocarbazole and Some Derivatives with Chloranil
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Moon Seong-Bae
Moon Jung-Dae
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Abstract
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Charge transfer complexes of some electron donors with one electron acceptor have been studied to investigate the maximum absorption wavelength and absorbance by UV-Vis spectrometer in three kinds of solvents, such as ethylene chloride, methylene chloride, and chloroform, at the temperature ranges of 16∼25℃. 1,2,3,4-Tetrahydrocarbazole (THC), 2-methyl, 3-methyl, and 3-ethyl THC were selected as electron donors while chloranil was used as an electron acceptor in this study. It is found that these complexes forms 1 : 1 complexes, and their maximum absorbance and formation constants decreases with respect to the function of the polarity of solvent and temperature. The polarity of solvents and the temperature have been influenced on the formation constants, which were described using the thermodynamic properties. Moreover, the electronic and steric effects of electron donors have also been effects.
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