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Synthesis, Spectroscopic Studies and Crystal Structures of N, N’-bis (4-methoxybenzylidene) Ethylenediamine and an Its New Cadmium (II) Complex
American Journal of Heterocyclic Chemistry
Volume 6, Issue 2, December 2020, Pages: 30-35
Received: Nov. 1, 2020; Accepted: Nov. 12, 2020; Published: Nov. 19, 2020
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Adrienne Ndiolene, Department of Chemistry, Faculty of Science and Technology, Cheikh Anta DIOP University, Dakar, Senegal
Tidiane Diop, Department of Chemistry, Faculty of Science and Technology, Cheikh Anta DIOP University, Dakar, Senegal
Mouhamadou Sembene Boye, Department of Chemistry, Faculty of Science and Technology, Cheikh Anta DIOP University, Dakar, Senegal
Thierry Maris, Department of chemistry, University of Montreal, Quebec, Canada
Aminata Diasse-Sarr, Department of Chemistry, Faculty of Science and Technology, Cheikh Anta DIOP University, Dakar, Senegal
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Schiff base (L) ligand is prepared via condensation of P-Anisaldehyde and ethylene diamine in 2:1 ratio in ethanol. A new complex is prepared by reacting this ligand with metallic salt CdI2. The structure of the two derivatives are confirmed using various spectroscopic techniques: C, H, N analyses, IR, UV-visible and X-ray diffraction. The IR spectrums of ligand and complex show respectively intense peaks at 1629 cm-1 and 1639cm-1 indicating the presence of azomethine group (N=C). The crystal structure of the ligand belongs respectively to monoclinic, space group P21/n. In the crystal packing of the ligand, molecules are linked by a pair of methyl-C-H…O(methoxy) interactions, forming to an infinite one-dimensional chain. The structural characterization of the complex reveals that it crystallizes in an orthorhombic system P with as space group Pbca with a=14.8704 Å; b=12.9618 Å; c=22.4416 Å. The crystal structure of the monomer complex shows a distorted tetrahedral geometry. The CdII center is coordinated by the bidentate schiff base ligand via the two imine groups (N-donor) and the two chlorine atoms. Non-classical intermolecular H-bonds of the type benzene-C—H…O(methoxy) exist and link the monomeric complex, forming one dimensional chains.
Crystal Structure, N, N’-bis (4-méthoxybenzylidène) Ethylenediamine, X-ray Diffraction, Schiff Base
To cite this article
Adrienne Ndiolene, Tidiane Diop, Mouhamadou Sembene Boye, Thierry Maris, Aminata Diasse-Sarr, Synthesis, Spectroscopic Studies and Crystal Structures of N, N’-bis (4-methoxybenzylidene) Ethylenediamine and an Its New Cadmium (II) Complex, American Journal of Heterocyclic Chemistry. Vol. 6, No. 2, 2020, pp. 30-35. doi: 10.11648/j.ajhc.20200602.13
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