Nuclear magnetic resonance of Zn(II) complexes with 2,2′-bipyridine |
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| Authors: | B. Je owska-Trzebiatowska, H. Koz&#x owski, L. Latos-Gra y&#x ski,T. Kowalik |
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| Affiliation: | Institute of Chemistry, University of Wroclaw, Wroclaw, Poland |
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| Abstract: | The complexes Zn(bipy)Cl2 and Zn(bipy)2Cl2 as well as 2,2′-bipyridyl in aqueous solution (D2O) have been examined by the NMR method. The presence of the monocationic bipy D+ form in aqueous bipyridyl solution has been found. The changes of chemical shifts of bipyridyl protons for complexes Zn(bipy)3Cl2 and Zn(bipy)Cl2 have confirmed explicitly the essential influence of diamagnetic currents on the NMR spectrum of Zn(bipy)3Cl2. The comparison of the spectra of 2,2′-bipyridyl (in CH3OH) and of Zn(bipy)Cl2 may also suggest the presence of the nonbonding metal-proton 6 interaction. |
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