Ashraf A. Aly , Elham M. Abdallah , Salwa A. Ahmed , Mohamed K. Awad , Mai M. Rabee , Sara M. Mostafa , Stefan Bräse
{"title":"Metal complexes of new thiocarbohydrazones of Cu(I), Co(II), and Ni(II); identification by NMR, IR, mass, UV spectra, and DFT calculations","authors":"Ashraf A. Aly , Elham M. Abdallah , Salwa A. Ahmed , Mohamed K. Awad , Mai M. Rabee , Sara M. Mostafa , Stefan Bräse","doi":"10.1080/17415993.2022.2145846","DOIUrl":null,"url":null,"abstract":"<div><p>Substituted thiocarbohydrazones were synthesized to study their complexation capability towards Cu(I), Co(II), and Ni(II) salts. The Cu(I) complexes showed ligation of one mole of Cu(I)Br to one of the synthesized ligands to form a cationic–anionic metal complex. Co(II) and Ni(II) complexes were determined due to the chelating of equal equivalents of both ligands and metal salts to form monodentate metal dihalogenated complexes. Metal complexes were characterized by mass spectrometry, IR, NMR, UV spectra, and elemental analyses. Theoretical calculations were performed using density functional theory (DFT) at the B3LYP level with 6–31 + G(d) and LANL2DZ basis sets to access reliable results to the experimental values. The calculations were performed to obtain the optimized molecular geometry, charge density distribution, extent of distortion from regular geometry, the HOMO (highest occupied molecular orbital), the LUMO (lowest unoccupied molecular orbital), the molecular electrostatic potential (MEP), reactivity index (ΔE), dipole moment (D), global hardness (η), softness (σ), electrophilicity index (ω), and chemical potential. The calculations confirmed that the investigated complexes have a reliable geometry, agreeing with the experimental observation.</p></div>","PeriodicalId":17081,"journal":{"name":"Journal of Sulfur Chemistry","volume":null,"pages":null},"PeriodicalIF":2.1000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Sulfur Chemistry","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S1741599323000041","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 1
Abstract
Substituted thiocarbohydrazones were synthesized to study their complexation capability towards Cu(I), Co(II), and Ni(II) salts. The Cu(I) complexes showed ligation of one mole of Cu(I)Br to one of the synthesized ligands to form a cationic–anionic metal complex. Co(II) and Ni(II) complexes were determined due to the chelating of equal equivalents of both ligands and metal salts to form monodentate metal dihalogenated complexes. Metal complexes were characterized by mass spectrometry, IR, NMR, UV spectra, and elemental analyses. Theoretical calculations were performed using density functional theory (DFT) at the B3LYP level with 6–31 + G(d) and LANL2DZ basis sets to access reliable results to the experimental values. The calculations were performed to obtain the optimized molecular geometry, charge density distribution, extent of distortion from regular geometry, the HOMO (highest occupied molecular orbital), the LUMO (lowest unoccupied molecular orbital), the molecular electrostatic potential (MEP), reactivity index (ΔE), dipole moment (D), global hardness (η), softness (σ), electrophilicity index (ω), and chemical potential. The calculations confirmed that the investigated complexes have a reliable geometry, agreeing with the experimental observation.
期刊介绍:
The Journal of Sulfur Chemistry is an international journal for the dissemination of scientific results in the rapidly expanding realm of sulfur chemistry. The journal publishes high quality reviews, full papers and communications in the following areas: organic and inorganic chemistry, industrial chemistry, materials and polymer chemistry, biological chemistry and interdisciplinary studies directly related to sulfur science.
Papers outlining theoretical, physical, mechanistic or synthetic studies pertaining to sulfur chemistry are welcome. Hence the target audience is made up of academic and industrial chemists with peripheral or focused interests in sulfur chemistry. Manuscripts that truly define the aims of the journal include, but are not limited to, those that offer: a) innovative use of sulfur reagents; b) new synthetic approaches to sulfur-containing biomolecules, materials or organic and organometallic compounds; c) theoretical and physical studies that facilitate the understanding of sulfur structure, bonding or reactivity; d) catalytic, selective, synthetically useful or noteworthy transformations of sulfur containing molecules; e) industrial applications of sulfur chemistry; f) unique sulfur atom or molecule involvement in interfacial phenomena; g) descriptions of solid phase or combinatorial methods involving sulfur containing substrates. Submissions pertaining to related atoms such as selenium and tellurium are also welcome. Articles offering routine heterocycle formation through established reactions of sulfur containing substrates are outside the scope of the journal.