2-D coordination polymers of copper and cobalt with 3,4-pyridinedicarboxylic acid: synthesis,characterization, and crystal structures |
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| Abstract: | Two new complexes involving 3,4-pyridinedicarboxylic acid (3,4-H2pdc), copper(II) and cobalt(II) complexes, {Cu(3,4-Hpdc)2(H2O)2]·2dmso}n (1) and {Co(3,4-Hpdc)2(H2O)2]·2H2O·2dmso}n (2) (dmso = dimethylsulfoxide), have been synthesized by the diffusion method and characterized by elemental analysis, IR spectroscopy, thermal analysis, powder and single-crystal X-ray diffraction analysis, and electron paramagnetic resonance (EPR). In both compounds, the metal coordination sphere is composed of a trans-MO4N2 core and adopts a distorted octahedral geometry in accordance with X-ray diffraction and EPR results. 3,4-Hpdc? ligands bridge the metal centers giving two-dimensional (2-D) coordination polymers with four-connected uninodal nets of (4,4) topology. |
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| Keywords: | Coordination polymer 3 4-pyridinedicarboxylic acid Crystal structure |
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