The Spectroscopic and theoretical investigations of complex formation of (3E,3'E)-7,7'-(carbonylbis(azanediyl))bis(3-(2-(2-hydroxyphenyl)hydrazono)-4-oxo-3,4-dihydronaphthalene-2-sulfonic acid) with metal cations
Journal Title: JOURNAL OF ADVANCES IN CHEMISTRY - Year 2018, Vol 15, Issue 2
Abstract
A novel azo-dye was isolated by a diazo-coupling reaction and characterized by the elemental analysis, mass spectra, IR and UV-VIS spectroscopy. The processes of complex formation of H4L with some mono-, bis-, and trivalent metal cations were studied by spectrophotometric titration and theoretical modeling. The NBO effective charge calculations indicate a strong covalent character of the coordination bonds at complexation.
Authors and Affiliations
Olga Kovalchukova, Mikhael Ryabov, Alexandra Obmenennaya, Nikolai Popandopulo
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