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

M. Padmanabhan, K. C. Joseph, A. Thirumurugan, Xiaoying Huang, Thomas J. Emge, Jing Li

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)2583-2588
Number of pages6
JournalInorganica Chimica Acta
Volume360
Issue number8
DOIs
Publication statusPublished - May 30 2007

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Chromophores
coordination polymers
linkages
carboxylates
chromophores
Polymers
Hot Temperature
Oxygen
oxygen
Chelation
Kinetic parameters
Paramagnetic resonance
Thermodynamic stability
thermal stability
Heat treatment
Thermodynamics
thermodynamics
kinetics
polymers
1,3-benzenedicarboxylate

Keywords

  • Coordination polymers
  • Copper(II) and nickel(II) isophthalates
  • ESR spectra
  • Ethylenediamine and 1,3-diaminopropane derivatives
  • Thermal properties
  • X-ray crystal structures

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

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. / Padmanabhan, M.; Joseph, K. C.; Thirumurugan, A.; Huang, Xiaoying; Emge, Thomas J.; Li, Jing.

In: Inorganica Chimica Acta, Vol. 360, No. 8, 30.05.2007, p. 2583-2588.

Research output: Contribution to journalArticle

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