Coordination of N, O-donor Appended Schiff Base Ligand N, N’-bis (3-Methoxy Salicylidenimino-1,3-diaminopropane) towards Nickel (II), Copper (II) and Zinc (II) : Synthèses, Crystal Structure
Moussa Faye, Mariama Sarr, Mbossé Ndiaye Guèye, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Simon Coles, James Orton, Moussa Dieng, Mohamed Gaye
International Research Journal of Pure and Applied Chemistry · pp. 22–35 · Published 23 Apr 2024
10.9734/irjpac/2024/v25i3853Abstract
New complexes prepared by the reaction of N,N’-bis(3-methoxysalicylidenimino-1,3-diaminopropane) (H2L) with Ni(II), Zn(II) and Cu(II) ions are reported in this paper. The H2L ligand is structurally characterized by elemental analysis, NMR, infrared, UV-Vis spectroscopies, conductance and magnetic room temperature measurement. The mononuclear complex of Ni(II) (C19H24N2NiO6) is characterized by single X-ray diffraction. The compound crystallizes in the orthorhombic system in the space group Pnma with the unit cell parameters a = 7.3754(5) Å, b = 21.9576(13) Å, c = 11.5546(6) Å, α = 90°, β = 90°, γ = 90° The ligand H2L acts in tetradentate fashion in its di-deprotonated form. Two coordinated water molecules complete the coordination sphere. The environment around the Ni(II) center is best described as an octahedral geometry.
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