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Charge Transfer Complexes of N,N'-Dimethylbenzaldehyde Ethylenediimine Schiff Base with Some Electron Acceptors

AASCIT Journal of Chemistry
Vol.3 , No. 1, Publication Date: Jun. 6, 2017, Page: 1-6

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Authors

[1]	Awatef S. Assran, Taif University, Chemistry Department, Faculty of Science, Taif, Saudi Arabia.
[2]	M. H. M. Abou-El-Wafa, Chemistry Department, Faculty of Science at Qena, South Valley University, Qena, Egypt.

Abstract

The charge-transfer interactions between the electron donor Bis N,N'-dimethylbenzaldehdeethylenediimine (SB1) and the acceptors tetracyanoethylene (TCNE), 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), Picric acid (PA) and iodine have been studied spectrophotometrically in CH2CI2 solutions. The solid charge-transfer complexes have been isolated and characterized by infrared spectra and elemental analysis. The stoichiometry of the complexes was found to be 1:1 in case of SB1-PA system, 1:2 in case of SB1–TCNE, SB1–DDQ systems and 1:3 in case of SB1–iodine system. Taking this into consideration along with infrared spectra and elemental analysis, the formed CT-complexes have the formulas [(SB1)(PA)], [(SB1)(DDQ)2], [(SB1)(TCNE)2] and [(SB)I]+ I5-, respectively.

Keywords

Charge Transfer, Schiff Bases, Electron Donor, Picric Acid, Electronic Spectra, Electron Acceptor

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