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Vol. 28 No. 5 (2016): Vol 28 Issue 5

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Impact of Inclusion Complex Formation on Absorption and Emission Characteristics of Some 4-Arylidenamino-5-phenyl-4H-1,2,4-triazole-3-thiols

https://doi.org/10.14233/ajchem.2016.19556
Sunakar Panda
P.G. Department of Chemistry, Berhampur University, Bhanjabihar-760 007, India
Sashikanta Nayak
P.G. Department of Chemistry, Berhampur University, Bhanjabihar-760 007, India
P.K. Das
P.G. Department of Chemistry, Berhampur University, Bhanjabihar-760 007, India
D.L. Singh
P.G. Department of Chemistry, Berhampur University, Bhanjabihar-760 007, India

Corresponding Author(s) : Sunakar Panda

sunakar_panda@yahoo.com

Asian Journal of Chemistry, Vol. 28 No. 5 (2016): Vol 28 Issue 5

Abstract

The inclusion complexes of a series of 4-arylidenamino-5-phenyl-4H-1,2,4-triazole-3-thiols have been synthesized with b-cyclodextrin. The compounds and their inclusion complexes have been characterized by studying their physical and spectral properties. The thermodynamic stability constant and free energy of activation have been determined to know the stability of inclusion complexes and type of host-guest relation. Finally, the absorption, excitation and emission spectra of the compounds and their inclusion complexes have been taken to examine whether the inclusion complex formation has any impact on absoption and emission characteristics of 4-arylidenamino-5-phenyl-4H-1,2,4-triazole-3-thiols. It is found that inclusion complex formation brings about a drastic change in absorption, excitation and emission spectra of newly synthesized compounds.

Keywords

Triazole-3-thiol Inclusion complex Absorption spectra Excitation spectra Emission spectra
Panda, S., Nayak, S., Das, P., & Singh, D. (2016). Impact of Inclusion Complex Formation on Absorption and Emission Characteristics of Some 4-Arylidenamino-5-phenyl-4H-1,2,4-triazole-3-thiols. Asian Journal of Chemistry, 28(5), 981–986. https://doi.org/10.14233/ajchem.2016.19556
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