Synthesis, spectroscopic, thermal and structural investigations of charge-transfer complexes of 4,4′-trimethylenedipiperidine with chloranil, TBCHD, DDQ, TCNQ and iodine

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Synthesis, spectroscopic, thermal and structural investigations of charge-transfer complexes of 4,4′-trimethylenedipiperidine with chloranil, TBCHD, DDQ, TCNQ and iodine

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dc.contributor.author Shahada, Lamis [لميس شحادة]
dc.contributor.author Mostafa, Adel
dc.contributor.author Nour, El-Metwally
dc.contributor.author Bazzi, Hassan S.
dc.date.accessioned 2009-12-27T05:56:33Z
dc.date.available 2009-12-27T05:56:33Z
dc.date.issued 2009-05-14
dc.identifier.citation Volume 933, Issues 1-3, 17 September 2009, Pages 1-7 en_US
dc.identifier.uri http://dx.doi.org/10.1016/j.molstruc.2009.05.056
dc.identifier.uri http://hdl.handle.net/10576/10460
dc.description.abstract The charge-transfer interactions between the electron donor 4,4′-trimethylenedipiperidine (TMDP) and the acceptors 2,3,5,6-tetrachloro-1,4-benzoquinone (chloranil), 2,4,4,6-tetrabromo-2,5-cyclohexadienone (TBCHD), 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), 7,7′,8,8′-tetracyanoquinodimethane (TCNQ) and iodine have been studied spectrophotometrically in CHCI3 solutions. The formed solid charge-transfer complexes were also isolated and characterized through infrared spectra as well as thermal and elemental analysis. The stoichiometry of the complexes was found to be 1:1 in the case of TMDP–chloranil and TMDP–TBCHD systems and 1:2 in the case of TMDP–DDQ and TMDP–TCNQ systems and 1:3 in the case of TMDP–iodine system. Taking this into consideration along with infrared spectra and thermal and elemental analysis, the formed CT-complexes have the formulas [(TMDP)(chloranil)], [(TMDP)(TBCHD)], [(TMDP)(DDQ)2] [(TMDP)(TCNQ)2] and [(TMDP)I]+·I5−, respectively. en_US
dc.language.iso en en_US
dc.subject 4 en_US
dc.subject 4′-Trimethylenedipiperidine en_US
dc.subject Chloranil en_US
dc.subject DDQ en_US
dc.subject Iodine en_US
dc.subject TBCHD en_US
dc.subject TCNQ en_US
dc.title Synthesis, spectroscopic, thermal and structural investigations of charge-transfer complexes of 4,4′-trimethylenedipiperidine with chloranil, TBCHD, DDQ, TCNQ and iodine en_US
dc.type Article en_US

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