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Spectroscopic and thermal characterization of Cu(II), Co(II), Ni(II) and Mn(II) complexes of fluorescent dye 4-N,N-dimethyl-ethanol amine-N-allyl-1,8-naphthalimide (4DMEAN)
Faculty
Science
Year:
2010
Type of Publication:
Article
Pages:
122-132
Authors:
Refat, Moamen S, Killa, Hamada M. A, Fetooh, Hammad
DOI:
10.1016/j.molstruc.2010.08.041
Journal:
JOURNAL OF MOLECULAR STRUCTURE ELSEVIER SCIENCE BV
Volume:
983
Research Area:
Chemistry
ISSN
ISI:000284441400018
Keywords :
4-N, N-dimethyl-ethanolamine-N-allyl-1, 8-naphthalimide, Metal complexes, TGA, Spectroscopic characterization, Conductivities
Abstract:
Compounds having general formula: {[}M(4DMEAN)(x) (Cl)(2)(H(2)O)(gamma)]center dot ZH(2)O, where (M = Cu(II), Co(II), Ni(II) and Mn(II), 4DMEAN = 4-N,N-dimethyl-ethanolamine-N-allyl-1,8-naphthalimide, X = 1 or 2, Y = 0 or 2 and Z = 1, 2, 4 or 6) have been prepared. The resulted compounds were characterized by elemental analysis, conductivity measurements, magnetic measurements, (infrared, (1)H NMR, mass and electronic) spectra and thermogravimetric analysis. The results were suggested that all 4DMEAN complexes formed have a 1:1 M ratio (metal: 4DMEAN) except for Co(II) complex exist as 1:2. The 4DMEAN ligand acts as a neutral bidentate through both of the oxygen atom of (-C-OCH(2)) group and the lone pair of electron on the nitrogen atom of (N(CH(3))(2) group. The molar conductance measurements proved that the 4DMEAN complexes are non-electrolytes. The kinetic thermodynamic parameters such as: E{*}, Delta H{*}, Delta S{*} and Delta G{*} were estimated from the DTG curves. (C) 2010 Elsevier B.V. All rights reserved.
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