0172388 - UEB-Q 20033096 RIV NL eng J - Journal Article
Kopel, P. - Trávníček, Zdeněk - Marek, J. - Korabik, M. - Mrozinski, J.
Syntheses and properties of binuclear copper(II) mixed-ligand complexes involving thiodiglycolic acid. The crystal structures of [(phen)2Cu(m-tdga)Cu(phen)](NO3)2x5H2O and [(H2O)(pmdien)Cu(micro-tdga)Cu(pmdien)(H2O)](ClO4).
Polyhedron. Roč. 22, - (2003), s. 411-418. ISSN 0277-5387. E-ISSN 1873-3719
R&D Projects: GA ČR GA203/99/0067
Institutional research plan: CEZ:AV0Z5038910
Keywords : Copper(II) * Thiodiglycolic acid complexes * Crystal structures
Subject RIV: CE - Biochemistry
Impact factor: 1.584, year: 2003

Mixed-ligand binuclear Cu(II) complexes involving thiodiglycolate(2 /) anion and nitrogen-donor ligands in the coordination sphere of composition [(phen)2Cu(m-tdga)Cu(phen)](NO3)2 /5H2O (1) and [(H2O)(pmdien)Cu(m-tdga)Cu(pmdien)(H2O)](ClO4)2 (2), where phen /1,10-phenanthroline, H2tdga /thiodiglycolic acid, pmdien /N,N,N,N-pentamethyldiethylenetriamine, have been prepared. Temperature dependence of magnetic susceptibility, EPR spectroscopy and single crystal X-ray analysis has been used to characterize these compounds. Magnetic susceptibility measurements over the 1.9.I./300 K temperature range revealed a weak antiferromagnetic interaction between two copper atoms with the exchange integral value 2J=-4.80 cm-1 for 1 and -0.71 cm-1 for 2. The bridging dianion of thiodiglycolic acid is coordinated in each of the two complexes in a different manner.
Permanent Link: http://hdl.handle.net/11104/0069427