Publication Type:

Journal Article


Inorganica Chimica Acta, Volume 360, Number 8, p.2583-2588 (2007)



Two coordination polymers [Ni(ipt)(dap)2]n (1) and [Cu(ipt)(dap)H2O]n · nH2O (2) with an overall one-dimensional arrangement and having isophthalate (ipt) as bridging moieties and chelating 1,3-diaminopropane (dap) as structure modulating units have been prepared and characterized by crystallographic, spectroscopic and thermo-analytical studies. Both have an overall one-dimensional zig-zag nature but with a distorted octahedral NiN4O2 chromophore for 1 and a distorted square pyramidal CuN2O3 chromophore for 2. Even though the ipt units are acting as bridging units through mono-dentatively coordinating carboxylate functions in both polymers, compound 1 has the carboxylate oxygen linkages at the trans positions, while in 2 the oxygen linkages occur at the cis positions leading to a different type of zig-zag arrangement. Relevant spectral and bonding parameters also could be evaluated for the compounds using UV-Vis and EPR spectra. Thermal stability and possible structural modifications on thermal treatment of the compounds were also investigated and the relevant thermodynamic and kinetic parameters evaluated from the thermal data. © 2007 Elsevier B.V. All rights reserved.


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Cite this Research Publication

M. Padmanabhan, Joseph, K. C., Thirumurugan, A., Huang, X., Emge, T. J., and Li, J., “One-dimensional zig-zag type coordination polymers of Ni(II) and Cu(II) containing 1,3-benzenedicarboxylate and 1,3-diaminopropane: Structural, spectral and thermal studies”, Inorganica Chimica Acta, vol. 360, pp. 2583-2588, 2007.