Friday , 29 March 2024

Spectroscopic Studies of Mixed-ligand Complexes of Divalent Metals with Sulpha drug and Heterocyclic compound

Spectroscopic Studies of Mixed-ligand Complexes of Divalent Metals with Sulpha drug and Heterocyclic compound
2Olanipekun, Oladapo T, 1*Adewoyin, Samuel A, 3Okediran, Olukemi A, 2Bolarinwa, Oladayo T
1Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
2Federal College of Education (SPECIAL), Department of Chemistry, School of Science, P.M.B. 1089, Oyo, Oyo State, Nigeria.
3Federal College of Education (SPECIAL), Department of Integrated Science, School of Science, P.M.B. 1089, Oyo, Oyo State, Nigeria.

A B S T R A C T
In view of the great biological, industrial and manifold applications of Sulfamethoxazole and imidazole complexes, there is a need for an understanding of the coordination possibilities of Sulfamethoxazole and imidazole. In this work, Cu(II),Co(II), Mn (II) and Zn(II) mixed-ligand complexes of sulpha drug (Sulfamethoxazole,L1) and imidazole (L2) in form of  (L1:M: L2)(1:1:2), have been prepared and their infrared and UV-Vis spectra have been investigated. The infrared spectra of the samples were recorded in the range 4000–400 cm_1 and their fundamental vibrational wave numbers were obtained. The electronic spectra of all the synthesized complexes were recorded on Spectro-UV-VIS double beam PC scanning spectrophotometer UVD 2960. In all the complexes, SMX behaves as a Tridentate ligand binding through two Ar-N atoms  and sulfonic oxygen while imidazole behaves as a monodentate with N donor atom. UV-Vis spectra suggests probable octahedral geometry for the complexes.

Keywords: Complex, Imidazole, IR, Ligand, Sulfamethoxazole, UV-VIS

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