Abstract
Molecules in metal isonicotinate tetrahydrates, M(NC5H4-p-CO2)2.4H2O with M = Mn, Fe, Co, Ni, Cu, Zn, consisting of the hexacoordinate complexestrans-[M(NC5H4-p-CO2)(OH2)4], participate in exhaustive hydrogen-bond formation among themselves to lead to a robust 3D supramolecular network in the solid state. Solid-state diffuse reflectance UV-Vis-NIR spectra of the complexes have been assigned to ligand field and charge transfer transitions. Sharp weight loss due to dehydration, as shown by TGA of Cu(NC5H4-p-CO2)2.4H2O, suggests the suitability of this complex for the gravimetric estimation of copper.
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Das, B.K., Bora, S.J., Chakrabortty, M. et al. Structural, thermal and spectroscopic properties of supramolecular coordination solids. J Chem Sci 118, 487–494 (2006). https://doi.org/10.1007/BF02703945
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DOI: https://doi.org/10.1007/BF02703945