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Preparation, characterization and X-ray analysis of [Co-2(Cl)(2)tpmc](BF4)(2). Comparative structural analysis with the complexes having analogous geometries and ligands
dc.creator | Vucković, Gordana | |
dc.creator | Tanasković, Slađana | |
dc.creator | Rychlewska, U. | |
dc.creator | Radanović, Dušanka | |
dc.creator | Mrozinski, J. | |
dc.creator | Korabik, M. | |
dc.date.accessioned | 2019-09-02T11:10:34Z | |
dc.date.available | 2019-09-02T11:10:34Z | |
dc.date.issued | 2007 | |
dc.identifier.issn | 0022-2860 | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/962 | |
dc.description.abstract | A novel binuclear Co(II) complex, [Co-2(Cl)(2)tpmc](BF4)(2) (tpmc=N,N,N",N"'-tetrakis(2-pyridylmethyl)-1,4,8,11-tetraazacyclotetradecane), was prepared and structurally characterized by X-ray diffraction analysis at low temperature. The complex crystallizes in P2(1)/c space group of the monoclinic crystal system, and its crystals are isomorphic with those Of [Cu-2(Br)(2)tpmc](ClO4)(2) complex. In the crystal structure the complex cations [Co-2(Cl)(2)tpmc](2+) are settled around the inversion centres. Cobalt(II) is exo coordinated with four macrocyclic N atoms, and Cl- supplements the fifth coordination site. Based on the index of trigonality, the coordination polyhedron formed around Co(II) ion is described as distorted trigonal bipyramid. Two metal centres are at a distance of 5.710 angstrom. This is the first Co(II) complex for which X-ray analysis confirmed a chair conformation of tpmc ligand. IR, EPR (X-band) and UV/VIS absorption and reflectance spectra, molar conductivities and magnetic measurements (SQUID) are used to study the investigated complex. A comparative structural analysis with some of the described Co(II) and Cu(II) complexes of analogous geometries and type of pendant azamacrocyclic ligands was also done. | en |
dc.publisher | Elsevier Science BV, Amsterdam | |
dc.relation | info:eu-repo/grantAgreement/MESTD/MPN2006-2010/142017/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/MPN2006-2010/142028/RS// | |
dc.rights | restrictedAccess | |
dc.source | Journal of Molecular Structure | |
dc.subject | Co(II) dimeric complex | en |
dc.subject | pendant azamacrocycles | en |
dc.subject | chloro ligand | en |
dc.subject | X-ray analysis | en |
dc.subject | magnetic properties | en |
dc.title | Preparation, characterization and X-ray analysis of [Co-2(Cl)(2)tpmc](BF4)(2). Comparative structural analysis with the complexes having analogous geometries and ligands | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Танасковић, Слађана; Вуцковић, Гордана; Корабик, М.; Мрозински, Ј.; Рyцхлеwска, У.; Радановић, Душанка; | |
dc.citation.volume | 827 | |
dc.citation.issue | 1-3 | |
dc.citation.spage | 80 | |
dc.citation.epage | 87 | |
dc.citation.other | 827(1-3): 80-87 | |
dc.citation.rank | M22 | |
dc.identifier.wos | 000244400100011 | |
dc.identifier.doi | 10.1016/j.molstruc.2006.05.009 | |
dc.identifier.scopus | 2-s2.0-33846508069 | |
dc.type.version | publishedVersion |