• Kubicki, Maciej
• Wałęsa-Chorab, Monika
• Hnatejko, Zbigniew
• Bocian, Aleksandra
• Nowicka, Daria
• Patroniak, Violetta
• Gorczyński, Adam

Abstract

Despite the fact that the ‘tpy’ binding motif has been extensively documented, observation of the unusual coordination motifs makes the preprogrammed assembly of functional materials an up-to-date challenge. Drawing inspiration from our previous experience with 6,6″-dimethyl-2,2′:6′,2″-terpyridine ligand (L), we have thus focused on its complexation behavior with Co(II), Au(III), Ag(I), Zn(II) and Cd(II) metal ions, stemming from their applicative relevance. As a result, ten new coordination compounds were synthesized of the following molecular formulae: [CoL(NO3)2] (1), [CoL2]2(ClO4)4·5H2O (2), [CoL(MeOH)(CF3SO3)2] (3), [Co(Lox)(CH3SOCH3)(CF3SO3)]CF3SO3 (3a), [(LH2)2+·2AuCl4−·H2O] (4), [(Au(LH)Cl3)+·AuCl4−] (5), [AgL(O-NO2)]3[(AgL(O2-NO)] (6), [AgL(NCCH3)]BF4·CH3CN] (7), [ZnL(CF3SO3)2] (8), [CdL(NO3)2·CdLBr2] (9), as unambiguously confirmed by single-crystal X-ray diffraction studies. To our surprise, most of the presented structures are to the certain level unique; either considering incomplete tridentate coordination of the tpy ligand L (4, 5), its oxidative transformation (3a) or the formation of mixed solid state solutions (9). Each compound was fully characterized by a series of analytical techniques, including elementary analysis, FT-IR, ESI-MS and 1H NMR, the latter two of which allowed us to gain insight into their solution behavior

Topics

• compound
• x-ray diffraction
• Nuclear Magnetic Resonance spectroscopy
• drawing
• electrospray ionisation
• electrospray ionisation mass spectrometry