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Research Article Open access CC BY 4.0

Synthesis and Characterization of Binuclear Complexes of Metals Transition of N’1,N’4-Bis(1-(Pyridin-2-yl)Ethylidene)Succinohydrazide

Gorgui Awa Seck, Mbossé Ndiaye Guèye, Farba Bouyagui Tamboura, Ibrahima Elhadji Thiam, Ousmane Diouf, Abdou Salam Sall, Mohamed Gaye

International Research Journal of Pure and Applied Chemistry · pp. 111–122 · Published 3 Oct 2024

10.9734/irjpac/2024/v25i5879

Abstract

Six news dinuclear metal transition (Mn(II) (1), Fe(II) (2), Co(II) (3), Ni(II) (4), Cu(II) (5)  and Zn(II) (6)) complexes have been synthesized from a new hexadentate Schiff base N’1,N’4-bis(1-(pyridin-2-yl)ethylidene)succinohydrazide (H2L). The ligand was characterized by elemental analysis, FTIR, UV-visible, 1H NMR and 13C NMR. The synthetized compounds have been investigated by elemental analysis, FTIR and UV-visible spectroscopies, molar conductance and room temperature magnetic moments measurement. The results show that the complexes 1-6 are dinuclear neutral electrolytes in DMF. Each of the two mono deprotonated tridentate arms of the ligand are coordinated to one metal ion through one iminolate oxygen atom, one azomethine nitrogen atom and one pyridine nitrogen atom. Octahedral geometries are proposed for all the complexes 1-6 formulated as [(ML)2].nH2O. The structure of the Ni(II) (4) complex is confirmed by X-ray crystallography study.

FTIR UV-visible acetylpyridine succinohydrazide octahedral X-ray

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