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Synthesis and Spectral Studies of Co(II), Ni(II), Cu(II) and Zn(II) Complexes with Schiff Bases Derived from 3-Substituted-4-amino-5-mercapto-1,2,4-triazoles and Syringaldehyde
Abstract
The synthesis and structural characterization of two novel compounds, 4-(4-hydroxy-3,5-dimethoxybenzylideneamino)-3-methyl-5-mercapto-s-triazole and 3-ethyl-4-(4-hydroxy-3,5-dimethoxybenzylideneamino)-5-mercapto-s-triazole and their Co(II), Ni(II), Cu(II), Zn(II) complexes in 1:1 and 1:2 molar ratios have been described with the help of different techniques like IR, 1H-NMR, magnetic moment, electronic spectra, thermal and XRD studies. The Schiff bases are coordinated to metal ion through S and N. Octahedral geometry has been proposed around Co(II), Ni(II) and Zn(II) metal ions and in case of Cu(II) the square planar geometry is expected.
Keywords
triazole, Schiff base, metal complexes, XRD
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PDFDOI: https://doi.org/10.37591/jomcct.v4i2.2020
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