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  • Chem Sci Trans., 2019, 8(1),  pp 126-132  

    DOI:10.7598/cst2019.1532

    Research Article

    Synthesis, Characterization, Thermal and Non-Isothermal Degradation Studies of Two Mononuclear Nickel and Copper Complexes Containing Schiff Base Moiety

  • ANJALI TIWARI*, A. P. MISHRA and BRAJENDRA S. KUSMARIYA
  • Department of Chemistry, Dr. H.S. Gour Central University, Sagar, 470003, India
  • Abstract

    Herein we report two mononuclear nickel and Copper complexes of a tridentate 2, 4-dichloro-6-{[(5-chloro-2-hydroxyphenyl)imino]methyl}phenol ligand (dcp) derived from 3,5-dichlorosalicylaldehyde and 2-amino-4-chlorophenol [general formula: ML.xH2O {L= dcp; M = NiII and CuII }]. The synthesized compounds have been characterized by elemental; FT-IR, UV-Vis, molar conductance and thermal analysis studies. TGA analysis was performed to determine the thermal stability of synthesized compounds under nitrogen atmosphere up to 800 ?C K at 10 ?C min-1 heating rate. Thermal studies show the degradation pattern of complexes. Non-isothermal kinetic parameters, such as activation energy (E*), entropy of activation (ΔS*), enthalpy of activation (ΔH*), frequency factor (Z) and free energy change (ΔG) have been calculated using Coats-Redfern (C-R), Piloyan-Novikova (P-N) and Horowitz-Metzger (H-M) methods.

    Keywords

    Schiff base, Nickel and Copper complexes, Thermal analysis, Non-isothermal kinetics, Coats-Redfern methods

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