Synthesis of a new ?-chlorido-bridged tetra-nuclear copper(II) complex containing 2,3,5,6-tetra(2-pyridyl)pyrazine (tppz), chlorido and perchlorato ligands: non-planar central pyrazine rings

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dc.contributor.authorYilmaz, Ismail
dc.date.accessioned2024-09-29T16:01:14Z
dc.date.available2024-09-29T16:01:14Z
dc.date.issued2023
dc.departmentKarabük Üniversitesien_US
dc.description.abstractA & mu;-chlorido-bridged tetra-nuclear copper(II) complex containing 2,3,5,6-tetra(2-pyridyl)pyrazine (tppz), chlorido, and perchlorato ligands, starting from 2-aminomethyl pyridine (AMP) and Cu(OAc)(2)& BULL;H2O, was synthesized. The structure of the complex was determined by single-crystal X-ray diffraction (SCXRD), Fourier transform infrared spectroscopy (FT-IR), and electronic absorption spectroscopy (UV-Vis). The redox behavior of the complex was explored by cyclic voltammetry. The tetra-nuclear structure is formed by combining the di-nuclear copper complex of the two tppz ligands with a chloride bridge. The Cu(1) center adopts a distorted octahedral geometry, whereas the other three Cu centers adopt square pyramid geometries. Crystal data of the complex are monoclinic, P2(1)/c, a = 13.602(4) & ANGS;, b = 13.438(4) & ANGS;, c = 29.412(8) & ANGS;, & alpha; = 90 & DEG;, & beta; = 95.258(8)& DEG;, & gamma; = 90 & DEG;, V = 5353(3) & ANGS;(3), Z = 4. When the SCXRD structure was examined, it was determined that the two central pyrazine rings deviated from planarity, which is one of the four criteria for aromaticity. The aromaticity of the central pyrazine rings, whose planarity is disturbed, is decreased. Based on these bond lengths, the harmonic oscillator aromaticity model (HOMA) values of the non-planar central pyrazine rings were calculated as 0.964926 and 0.942886, respectively.en_US
dc.description.sponsorshipKarabuk University [KBUBAP-18-DS-047]en_US
dc.description.sponsorshipThis work was supported by Karabuk University (grant KBUBAP-18-DS-047).en_US
dc.identifier.doi10.1080/00958972.2023.2243642
dc.identifier.endpage1321en_US
dc.identifier.issn0095-8972
dc.identifier.issn1029-0389
dc.identifier.issue11-12en_US
dc.identifier.scopus2-s2.0-85167795583en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage1313en_US
dc.identifier.urihttps://doi.org/10.1080/00958972.2023.2243642
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5611
dc.identifier.volume76en_US
dc.identifier.wosWOS:001047957400001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofJournal of Coordination Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCopper(II) complexen_US
dc.subjecttetra-nuclearen_US
dc.subjecttppzen_US
dc.subjectchlorido-bridgeden_US
dc.subjectnon-planar pyrazine ringen_US
dc.subject>en_US
dc.titleSynthesis of a new ?-chlorido-bridged tetra-nuclear copper(II) complex containing 2,3,5,6-tetra(2-pyridyl)pyrazine (tppz), chlorido and perchlorato ligands: non-planar central pyrazine ringsen_US
dc.typeArticleen_US

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