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Original Articles

bis‐Hydrazine Metal Glycolates and Chloroacetates: Synthesis, Spectral, and Thermal Studies

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Pages 1787-1800 | Received 12 Nov 2002, Accepted 13 Jun 2004, Published online: 16 Nov 2010
 

Abstract

Octahedral bis‐hydrazine metal glycolates and chloroacetates, [MX2(N2H4)2] n , where M = Co, Ni, or Zn for X = HOCH2COO and M = Mn, Co, Ni, Zn, or Cd for X = ClCH2COO have been prepared and characterised by chemical analyses, magnetic moments, electronic and infrared spectra, and thermal analyses (TG, DTG, and DTA). Infrared spectra show the presence of bridging bidentate (ν(N–N) = 970 cm−1) hydrazines and monodentate carboxylate ions. The thermal studies indicate that the glycolate complexes decompose at lower temperatures (60–450 °C) than the chloroacetates which decompose in the temperature range 100–600 °C. The x‐ray powder diffraction lines imply that the compounds in each series of complexes are isomorphous with each other. However, there appears to be no similarity in the x‐ray powder diffraction pattern between the two series of complexes.

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