One-Dimensional Coordination Polymer Assembled by Tetraaza Macrocyclic Nickel(II) Complex and trans-1,4-Cyclohexanedicarboxylate ligand |
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| Authors: | Ki-Young Choi In-Tack Lim Kyu-Chul Lee Ki-Young Oh Moon-Jip Kim |
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| Affiliation: | (1) Department of Chemistry Education, Kongju National University, Kongju, 314-701, Korea;(2) Department of Physics, Soonchunhyang University, Asan, 336-600, Korea |
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| Abstract: | The reaction of Ni(L)]Cl2·2H2O (L = 3.14-dimethyl-2,6,13,17-tetraazatricyclo14,4,01.18,07.12]docosane) with trans-1,4-cyclohexanedicarboxylic acid (H2chdc) generates a 1D coordination and 2D hydrogen-bonded polymer {Ni(L)(chdc)2]·2H2O}n (1). The polymer complex was characterized by X-ray crystallography, spectroscopy and magnetic susceptibility. Each nickel(II)
ion has a distorted octahedral coordination environment with the four secondary amines of the macrocycle in which two trans carboxylate anions of the chdc2− ligand have assembled around each nickel center. The electronic spectrum of 1 in the solid state exhibits a high-spin octahedral environment. The magnetic behavior of 1 reveals a weak intramolecular antiferromagnetic interaction with J values of −1.15(2) cm−1. |
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