Abstract
Coordination polymers derived from 1,2,4,5-benzenetetracarboxylate (H2btec 2or btec ), Fe(II), Mn(II), Co(II), Ni(II), Cu(II), Cd(II) or UO2(II) metal ions, 1,10-phenanthroline(1,10-phen) or 2,2 ' bipyridine(2,2-bipy) were prepared. The polymers were characterized by elemental analysis, IR and electronic spectra, electrical conductance, magnetic susceptibility measurements and thermal behavior. The electronic spectra, magnetic susceptibility measurements and X-ray structure determination revealed octahedral and tetrahedral geometries around the metal ions. Kinetic and thermodynamic parameters of the thermal decomposition were computed from the thermal data using the Coats-Redfern equation. From the X-ray powder diffraction the particle sizes (6.4-25.4 nm) of the coordination polymers could be calculated using the Scherrers equation. Original Research Article Aly et al.; ACSj, 6(3): 144-157, 2015; Article no.ACSj.2015.046 145
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