Crystal structure,spectroscopic and thermal properties of copper(II) and manganese(II) coordination polymers based on triazole-benzoic acid ligands |
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| Authors: | Da-Wei Wang Tao Wang Tong Yan Lin Du Qi-Hua Zhao |
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| Affiliation: | 1.Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, School of Chemical Science and Technology,Yunnan University,Kunming,People’s Republic of China;2.Office of Academic Affairs,Southwest Forestry University,Kunming,People’s Republic of China |
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| Abstract: | Two transition metal coordination polymers {[Cu(tba)2(H2O)]·2H2O} n (1) and {[Mn(Htta)2(H2O)2]·2H2O} n (2) {Htba = 3-[1,2,4]triazol-1-yl-benzoic acid, H2tta = 2-[1,2,4]triazol-1-yl-terephthalic acid} have been synthesized under solvothermal conditions. Both complexes have been characterized by single-crystal X-ray diffraction, X-ray powder diffraction, elemental analysis and FTIR spectroscopy. Complex 1 has a 1-D chain structure in which Cu(II) atoms are doubly bridged by tba? ligands, which is further stabilized by hydrogen bonding and π–π stacking interactions to give a 3-D supramolecular framework. In complex 2, Mn(II) atoms are doubly bridged by Htta? ligands to form 1-D chains, which are further connected by intermolecular hydrogen bonds to form a 3-D supramolecular framework. The electronic spectra and thermal behaviors of complexes 1 and 2 are also reported. |
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