Journal of Structural Chemistry, ( ISI ), Volume (54), No (6), Year (2013-9) , Pages (1055-1062)

Title : ( Experimental and theoretical characterization of N,N′-bis(2,4- dihydroxybenzylidene)-1,2-diaminobenzene schiff base and its Cu(II) complex )

Authors: S.A. Byramabadi , Hossein Eshtiagh Hosseini , Mohammad Reza Housaindokht , , A. Morsali , M. A. Naseri ,

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A new Schiff base ligand N,N′-bis(2,4-dihydroxybenzylidene)-1,2-diaminobenzene [=H2L] and its Cu(II) complex [Cu(L)] are synthesized and characterized by IR, UV-Vis, NMR, mass spectrometry and elemental analysis. Also, the computational prediction of optimized geometries, IR spectra and NMR chemical shifts is performed using the density functional theory (DFT) method. The DFT optimized geometry of the ligand is not planar, so the three benzene rings are located in separate planes. The phenolic protons are engaged in the intramolecular hydrogen-bonding interactions. In the optimized geometry of the square comlex, dianionic L2− acts as a tetradentate ligand, which occupies four coordination positions in the N, N, O−, O− manner. The consistency between the calculated and experimental results confirms the validity of the optimized structures for the H2L ligand and its Cu complex.

Keywords

, Schiff base, copper, IR assignment, NMR, DFT,
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@article{paperid:1039804,
author = {S.A. Byramabadi and Eshtiagh Hosseini, Hossein and Housaindokht, Mohammad Reza and , and A. Morsali and M. A. Naseri},
title = {Experimental and theoretical characterization of N,N′-bis(2,4- dihydroxybenzylidene)-1,2-diaminobenzene schiff base and its Cu(II) complex},
journal = {Journal of Structural Chemistry},
year = {2013},
volume = {54},
number = {6},
month = {September},
issn = {0022-4766},
pages = {1055--1062},
numpages = {7},
keywords = {Schiff base; copper; IR assignment; NMR; DFT; resorcinol},
}

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%0 Journal Article
%T Experimental and theoretical characterization of N,N′-bis(2,4- dihydroxybenzylidene)-1,2-diaminobenzene schiff base and its Cu(II) complex
%A S.A. Byramabadi
%A Eshtiagh Hosseini, Hossein
%A Housaindokht, Mohammad Reza
%A ,
%A A. Morsali
%A M. A. Naseri
%J Journal of Structural Chemistry
%@ 0022-4766
%D 2013

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