{"title":"Synthesis, Characterization and X-Ray Crystal Structures of Schiff Base Cadmium(II) and Nickel(II) Complexes with Antibacterial Activity","authors":"J. -X. Liu, H. -L. Wang, W. Li, Z. You","doi":"10.1134/S0022476624120187","DOIUrl":null,"url":null,"abstract":"<p>Two isostructural mononuclear cadmium(II) and nickel(II) complexes [Cd(HL)<sub>2</sub>(NCS)<sub>2</sub>]∙4CH<sub>3</sub>OH (<b>1</b>) and [Ni(HL)<sub>2</sub>(NCS)<sub>2</sub>]∙4CH<sub>3</sub>OH (<b>2</b>), where HL is the zwitterionic form of the Schiff base 2,4-difluoro-6-[(2-pyrrolidin-1-ylethylimino)methyl]phenol (HL), were prepared and characterized by elemental analysis, infrared and electronic spectroscopy, as well as X-ray single crystal determination. In both complexes the metal atoms are in octahedral coordination. The Schiff base ligands are coordinate to the metal atoms through phenolate oxygen and imino nitrogen. Molecules of the complexes are stabilized by hydrogen bonds. The biological assay indicates that the complexes have good antimicrobial activities on the bacteria strains <i>Escherichia coli</i>, <i>Pseudomonas aeruginosa</i>, <i>Salmonella typhi</i> and <i>Staphylococcus aureus</i>.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"65 12","pages":"2555 - 2566"},"PeriodicalIF":1.2000,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Structural Chemistry","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1134/S0022476624120187","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
Two isostructural mononuclear cadmium(II) and nickel(II) complexes [Cd(HL)2(NCS)2]∙4CH3OH (1) and [Ni(HL)2(NCS)2]∙4CH3OH (2), where HL is the zwitterionic form of the Schiff base 2,4-difluoro-6-[(2-pyrrolidin-1-ylethylimino)methyl]phenol (HL), were prepared and characterized by elemental analysis, infrared and electronic spectroscopy, as well as X-ray single crystal determination. In both complexes the metal atoms are in octahedral coordination. The Schiff base ligands are coordinate to the metal atoms through phenolate oxygen and imino nitrogen. Molecules of the complexes are stabilized by hydrogen bonds. The biological assay indicates that the complexes have good antimicrobial activities on the bacteria strains Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi and Staphylococcus aureus.
期刊介绍：
Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.
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