Synthesis and Crystal Structure of Bis(N’-(Pyridine-3-Carboxaldehyde) Isonicotinoylhydrazone) Zinc(II)  

作　　者：Sally-Judith E. Ntum Conde Asseng Mariam Evans N. Mainsah Peter T. Ndifon Sally-Judith E. Ntum;Conde Asseng Mariam;Evans N. Mainsah;Peter T. Ndifon(Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé 1, Yaoundé, Cameroon;Department of Chemistry, Faculty of Science, University of Douala, Douala, Cameroon;Department of Chemistry, University of Buea, Buea, South West Region, Cameroon)

机构地区：[1]Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé 1, Yaoundé, Cameroon [2]Department of Chemistry, Faculty of Science, University of Douala, Douala, Cameroon [3]Department of Chemistry, University of Buea, Buea, South West Region, Cameroon

出　　处：《Open Journal of Inorganic Chemistry》2020年第3期25-38,共14页无机化学期刊（英文）

摘　　要：Zinc complexes of Schiff base ligands exhibit interesting properties which could be exploited for potential applications as catalysts and models for biochemical syste<span style="font-family:Verdana;">ms. In this study, we report of the synthesis of a new zinc Schiff base complex, bis</span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">(N’-(pyridine-3-carboxaldehyde) isonicotinoylhydrazone) zinc(II), which </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">has been characterized by physico-chemical methods. The X-ray single crystal structure of the complex has also been determined. The Schiff base ligand is bonded</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> to the metal in a monodentate manner, coordinating through the pyridine N-atom, as shown from spectral studies. The crystal structure shows the zinc atom bonded to two Schiff base</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s</span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;"> and four aqua ligands, with each Schiff base ligand coordinating through its pyridine N-atom forming a distorted octahedral ZnN</span>_{<span style="font-family:Verdana;">2</span>}<span style="font-family:Verdana;">O</span>_{<span style="font-family:Verdana;">4</span>}<span style="font-family:Verdana;"> complex. Two water molecules and two nitrate ions found in the crystal structure link the different monomers through hydrogen bonding to form a layered supramolecular structure.</span></span></span></span>Zinc complexes of Schiff base ligands exhibit interesting properties which could be exploited for potential applications as catalysts and models for biochemical syste<span style="font-family:Verdana;">ms. In this study, we report of the synthesis of a new zinc Schiff base complex, bis</span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">(N’-(pyridine-3-carboxaldehyde) isonicotinoylhydrazone) zinc(II), which </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">has been characterized by physico-chemical methods. The X-ray single crystal structure of the complex has also been determined. The Schiff base ligand is bonded</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> to the metal in a monodentate manner, coordinating through the pyridine N-atom, as shown from spectral studies. The crystal structure shows the zinc atom bonded to two Schiff base</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s</span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;"> and four aqua ligands, with each Schiff base ligand coordinating through its pyridine N-atom forming a distorted octahedral ZnN</span>_{<span style="font-family:Verdana;">2</span>}<span style="font-family:Verdana;">O</span>_{<span style="font-family:Verdana;">4</span>}<span style="font-family:Verdana;"> complex. Two water molecules and two nitrate ions found in the crystal structure link the different monomers through hydrogen bonding to form a layered supramolecular structure.</span></span></span></span>

关 键 词：Zinc Complex Heterocyclic Schiff Base Isonicotinic Acid Hydrazide (Isonia-zid) Hydrazone X-Ray Structure Spectroscopy 

分 类 号：O62[理学—有机化学]