Three 3D metal coordination polymers based on triazol-functionalized rigid ligand: Synthesis, topological structure and properties

被引:9
|
作者
Meng, Lingkun [1 ]
Liu, Kang [2 ]
Liang, Chen [1 ]
Guo, Xiaolei [1 ]
Han, Xu [1 ]
Ren, Siyuan [1 ]
Ma, Dingxuan [1 ]
Li, Guanghua [1 ]
Shi, Zhan [1 ]
Feng, Shouhua [1 ]
机构
[1] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Jilin, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Minist Educ, Lab Inorgan Synth & Appl Chem,Key Lab Ecochem Eng, Qingdao 266042, Peoples R China
关键词
Coordination complexes; Crystal structure; Gas adsorption; Magnetism; ORGANIC FRAMEWORK; ADSORPTION PROPERTIES; MAGNETIC-PROPERTIES; CRYSTAL-STRUCTURES; CAPACITY; ZN(II); CO2; CYCLOADDITION; HYDROCARBONS; SELECTIVITY;
D O I
10.1016/j.jssc.2017.09.023
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
By using a triazol-functionalized tricarboxylate, three novel metal coordination polymers, namely, [Zn2L(OH)]center dot 0.5H(2)O (1), [Co2L(OH)(H2O)]center dot 5.5H(2)O (2), [Cu-2(HL)] (3) L = [ 5-(3-4-carboxypheny1)-5-methyl-4H-1,2,4-triazol-4-yl)isophthalate] were synthesized under hydrothermal reactions. All the compounds were characterized by element analysis, IR spectroscopy, thermogravimetric analysis, power X-ray diffrcation and single crystal X-ray diffrcation. Structural analysis reveals that compounds 1 and 2 have 3D networks with flu topologies where rigid trizaol-functionalized ligands as 4-connected nodes and Zn-4(COO)(6) or Co-4(COO)(6) clusters serves as 8-connected secondary building units. Compound 3 has 3D network with pcu topology where Cu-4(COO)(4) clusters serve as 6-connected secondary building units. Gas adsorption studies reveal that desolvated compoud 1 exhibits high H-2 absorption capacity at 77 K and highly selective separation abilities of CO2 and G(3)H(8) over CH4 at room temperature. The results suggest that 1 has potential application in gas storage and separation. In addition, the magnetic properties of compound 2 were also investigated.
引用
收藏
页码:56 / 63
页数:8
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