Abstract
Hydrazinium oxydiacetate salts of formulae N2H5(Hoda)⋅H2oda, N2H5(Hoda) and (N2H5)2oda (H2oda=oxydiacetic acid) and complexes of the types, M(oda)⋅2N2H4⋅xH2O (where M=Co, Ni and Cd; x=0 for Co and Ni;x=1 for Cd) and Zn(oda)⋅N2H4⋅H2O have been prepared and characterized by analytical, spectral, thermal and X-ray powder diffraction data. IR data document the existence of N2H+ 5 ion in the simple salts and the bidentate coordination of both hydrazine and dianion in the complexes. Complete decomposition of hydrazinium salts takes place via oxydiacetic acid intermediate. Cobalt and nickel complexes decompose in a single step, whereas zinc and cadmium complexes decompose through hydrazinate intermediates. However, all the metal complexes yield metal oxide as the final residue. Isomorphic nature of the cobalt and nickel complexes is evident from XRD data.
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Yasodhai, S., Govindarajan, S. Hydrazinium Oxydiacetates and Oxydiacetate Dianion Complexes of Some Divalent Metals with Hydrazine. Journal of Thermal Analysis and Calorimetry 62, 737–745 (2000). https://doi.org/10.1023/A:1026781610640
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DOI: https://doi.org/10.1023/A:1026781610640