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| Crystal Structures and Magnetic Properties of Two Isomorphic Frameworks Based on 3-(1H-pyrazol-4-yl)-5-(pyridin-2-yl)-1,2,4-triazole and 1,2,4,5-Benzenetetracarboxylic Acid |
| Author Name | Affiliation | E-mail | | WANG Yu-Fang | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, Henan 471934, China | wangyf78@163.com | | TAI Jun-Hui | College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473000, China | | | YAN Xiao-Wei | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, Henan 471934, China | | | ZHAO Meng-Yun | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, Henan 471934, China | | | WANG Li-Ya | College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473000, China | |
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| Abstract: Two new isomorphic coordination polymers,[M(btec)0.5(H2L)]n (M=Co(Ⅱ) (1), Cu(Ⅱ) (2); H4btec=1,2,4,5-benzenetetracarboxylic acid; H2L=3-(1H-pyrazol-4-yl)-5-(pyridin-2-yl)-1,2,4-triazole), have been synthesized under hydrothermal conditions. Compounds 1 and 2 were structurally characterized by elemental analysis, single crystal X-ray diffraction analysis, infrared spectroscopy and powder X-ray diffraction analysis. Single crystal X-ray diffraction measurement reveals that compounds 1 and 2 are isostructural structure and all crystallize in the orthorhombic system, space group Pbca. Compounds 1 and 2 have same 2D structure, which are connected by N…H…O hydrogen bonds to generate 3D frameworks. In addition, magnetic studies indicate that 1 show weak ferromagnetic exchange through carboxylate bridges between metal ions, and there is typical paramagnetic behavior in 2. |
| Keywords: isomorphic crystal structure magnetic property |
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| WANG Yu-Fang,TAI Jun-Hui,YAN Xiao-Wei,ZHAO Meng-Yun,WANG Li-Ya.Crystal Structures and Magnetic Properties of Two Isomorphic Frameworks Based on 3-(1H-pyrazol-4-yl)-5-(pyridin-2-yl)-1,2,4-triazole and 1,2,4,5-Benzenetetracarboxylic Acid[J].Chinese Journal of Inorganic Chemistry,2018,34(6):1121-1126. |
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