Abstract
The thermal behavior of [Ca(H2O)3(2,3-pydcH)2] n (I), [Cd(H2O)3(2,3-pydc)] n (II), and [Cd(H2O)6][Cd(2,3-pydcH)3]2 (III) complexes with pyridine-2,3-dicarboxylic acid was monitored by TG, DTG, and DSC analysis, where 2,3-pydcH—mono deprotonated pyridine-2,3-dicarboxylic acid and 2,3-pydc—doubly deprotonated dicarboxylate anion. Thermal decomposition of these compounds go through one or two dehydratation stages, followed by the loss of organic matter. The final decomposition products are found to be the corresponding metal oxides. The possible scheme of destruction of the complexes have been used to reveal the relationships between stability and molecular structure.
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Barszcz, B., Masternak, J. & Surga, W. Thermal properties of Ca(II) and Cd(II) complexes of pyridinedicarboxylates. J Therm Anal Calorim 101, 633–639 (2010). https://doi.org/10.1007/s10973-010-0877-7
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DOI: https://doi.org/10.1007/s10973-010-0877-7