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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Synthesis and spectroscopic structural investigations of the charge-transfer complexes formed in the reaction of 2,6-diaminopyridine with π-acceptors TCNE, chloranil, and DDQ
Journal of Molecular Structure, Volume 842, No. 1-3, Year 2007
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Description
Molecular charge-transfer complexes of the donor 2,6-diaminopyridine (2,6-DAPY) with π-acceptors tetracyanoethylene (TCNE), 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) and tetrachloro-p-benzoquinone(chloranil) were studied spectrophotometrically in chloroform at room temperature. All formed complexes exhibit well resolved charge-transfer bands in the regions where neither donor nor acceptors have any absorption. The stoichiometries of the reactions were determined from photometric titration methods. The results obtained show the formed CT complexes have the structures [(2,6-DAPY)(TCNE)3], [(2,6-DAPY)(DDQ)2], and [(2,6-DAPY)(chloranil)]. These three complexes were isolated as solids and further characterized by elemental analysis and infrared measurements. © 2006 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Al-Qaradawi, Siham Y.
Qatar, Doha
Qatar University
Nour, El Metwally
Qatar, Doha
Qatar University
Statistics
Citations: 72
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1016/j.molstruc.2006.12.005
ISSN:
00222860