Studium des gegenseitigen Einflusses der Bindungen in Thiocyanat-Kupfer(II)-Komplexen mit Methyl- und Dimethylpyridinen mittels Infrarotspektroskopie |
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Authors: | Jiří Kohout Mária Kabešová Prof. Dipl.-Ing. Dr. Ján Gažo |
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Affiliation: | (1) Lehrstuhl für Anorganische Chemie, Slowakische Technische Hochschule Bratislava, Jánska 1, CS-880 37 Bratislava, SSR |
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Abstract: | The infrared spectra of thiocyanato-copper(II) complexes of the type Cu(NCS)2L2 with all isomeric picolines and lutidines (L) as well as those of the type Cu(NCS)2L3 withL=3- and 4-picoline, 3,4- and 3,5-lutidine were measured. The behaviour of the (CN) stretching vibrations of the Cu(NCS)2L2 complexes led to conclusions on the different kind of coordination of the NCS groups in dependence on the ligandL. The mutually conditioned strength of the Cu–NCS and Cu–N(L) bonds in the equatorial plane, especially in the presence of ligandsL with the steric effect, was determined from the frequency shift of the Cu–NCS and Cu–N(L) stretching vibrations with regard to the vibrations for Cu(NCS)2(pyridine)2.
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