Investigation of Raman, FT-IR, EPR spectra and antimicrobial activity of 2-(5-H/Me/Cl-1H-benzimidazol-2-yl)-phenol ligands and their Fe(NO3)3 complexes

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dc.authoridDulger, Basaran/0000-0002-3184-2652
dc.authoridTAVMAN, AYDIN/0000-0001-7153-5350
dc.contributor.authorTavman, Aydin
dc.contributor.authorAgh-Atabay, Naz M.
dc.contributor.authorGuner, Sadik
dc.contributor.authorGucin, Fahrettin
dc.contributor.authorDulger, Basaran
dc.date.accessioned2025-01-27T20:27:31Z
dc.date.available2025-01-27T20:27:31Z
dc.date.issued2007
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstract2-(5-H/Me/Cl-1H-benzimidazol-2-yl)-phenol ligands form 1:1 electrolytes, 5-coordinate monometallic complexes with iron(III) nitrate. The geometry of the [Fe(L)(OH)(H2O)(2)](NO3) complexes was derived from theoretical calculation in DGauss/DFT level (DZVP basis set) on CACHE. In all of the complexes the ligands are bidentate, via one imine nitrogen atom and phenolate oxygen atom. The coordination is completed with a hydroxide ion, and two water molecules, adopting a distorted square pyramidal geometry. The structures of the compounds were confirmed on the basis of elemental analysis, molar conductivity, magnetic moment, FT-Raman, FT-IR (mid-IR, far-IR), EPR and u.v.-vis. The antimicrobial activities of the free ligands, their hydrochloride salts, and the complexes were evaluated using the disk diffusion method in dimethyl sulfoxide (DMSO) as well as the minimal inhibitory concentration (MIC) dilution method, against nine bacteria and the results are compared with several known antibiotic agents. Antifungal activities were reported for Candida albicans, Kluyveromyces fragilis, Rhodotorula rubra, Debaryomyces hansenii, Hanseniaspora guilliermondii, and the results were referenced against nystatin, ketaconazole, and clotrimazole antifungal agents. In most cases, the compounds tested showed broad-spectrum (Gram(+) & Gram(-) bacteria) activities that were either more active or as potent as the references.
dc.identifier.doi10.1007/s11243-006-0143-9
dc.identifier.endpage179
dc.identifier.issn0340-4285
dc.identifier.issn1572-901X
dc.identifier.issue2
dc.identifier.scopus2-s2.0-33947170646
dc.identifier.scopusqualityQ2
dc.identifier.startpage172
dc.identifier.urihttps://doi.org/10.1007/s11243-006-0143-9
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22711
dc.identifier.volume32
dc.identifier.wosWOS:000244890600006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofTransition Metal Chemistry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectElectron-Paramagnetic-Resonance
dc.subjectTransition-Metal Complexes
dc.subjectStructural-Characterization
dc.subjectIron(Iii) Complexes
dc.subjectOptical-Absorption
dc.subjectCrystal-Structures
dc.subjectFe(Iii) Ions
dc.subjectDerivatives
dc.subjectPd(Ii)
dc.subjectBenzimidazole
dc.titleInvestigation of Raman, FT-IR, EPR spectra and antimicrobial activity of 2-(5-H/Me/Cl-1H-benzimidazol-2-yl)-phenol ligands and their Fe(NO3)3 complexes
dc.typeArticle

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