• Synthesis and structural investigation of some mixed-ligand selenito complexes of cobalt(II)

    • Fulltext


        Click here to view fulltext PDF

      Permanent link:

    • Keywords


      Isoniazide; selenito; mixed-ligand/cobalt-complexes

    • Abstract


      Two complexes, [Co(An)2(O2SeO)] and [Co(Iso)2(H2O)2(O2SeO)], have been isolated and characterised by elemental analyses, IR spectra, magnetic measurements and thermogravimetric analysis. Their lattice constants have been determined with the help of X-ray powder diffraction data. Kinetic parameters like energy and entropy of activation for the thermal degradation process have been arrived at using Piloyan-Novikova, Coats-Redfern and Horowitz-Metzger equations. The mechanism of non-isothermal decomposition of complexes is by phase boundary nucleation. The probable structure for Co(II) complexes is six-coordinated octahedral in a high-spin electron configuration. The order of the thermal stability of complexes is [Co(An)2(O2SeO)]>[Co(Iso)2(H2O)2(O2SeO)].

    • Author Affiliations


      P Chourasia1 K K Suryesh1 A P Mishra1

      1. Inorganic Laboratories, Department of Chemistry, Dr H S Gour University, Sagar - 470 003, India
    • Dates

  • Journal of Chemical Sciences | News

© 2021-2022 Indian Academy of Sciences, Bengaluru.