1Department of Chemistry, Sri Krishna College of Technology, Kovaipudur, Coimbatore-641 042, Tamilnadu, India
2Department of Chemistry, Government Arts College, Udhagamandalam, The Nilgiris-643 002, Tamilnadu, India
*Corresponding Author E-mail: sivabickol@yahoo.com
Online published on 10 February, 2015.
Bis-hydrazine metal 3,5-dinitro benzoates [M(m-C6H3(NO2)2COO)2(N2H4)2] and bis-hydrazine 3,5-dinitro salicylates [M(m-C6H2(NO2)2(OH)COO)2(N2H4)2], where M= Mn, Co, Ni, Zn or Cd have been prepared and characterised by chemical analyses, spectral, thermal and X-ray powder diffraction studies. The infrared spectra of these complexes suggest the bridging bidentate nature of hydrazine moieties and monodentate nature of carboxylate ions. The TG-DTA analyses reveal that both the series of complexes undergo thermal degradations at much lower temperatures (180–430°C) to yield respective metal oxides as the final residue. The X-ray powder data of each set of complexes show isomorphism within the series.
Bis-hydrazine, 3, 5-dinitro benzoic acid, 3, 5-dinitro salicylic acid, TG-DTA and X-ray powder diffraction
