Synthesis, crystal structure and thermal analysis of supramolecular architectures of copper(II)(2,2′-biimidazole) complexes using dicarboxylate as a coligand

被引:17
作者
Ghosh, Ananta Kumar
Ghoshal, Debajyoti
Zangrando, Ennio [1 ]
Chaudhuri, Nirmalendu Ray
机构
[1] Indian Assoc Cultivat Sci, Dept Inorgan Chem, Kolkata 700032, W Bengal, India
[2] Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
[3] Univ Trieste, Dipartimento Sci Chim, I-34127 Trieste, Italy
关键词
copper(II); supramolecular architecture; crystal structure; pi-pi interaction;
D O I
10.1016/j.poly.2007.05.042
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new copper(II) complexes {[Cu(H(2)biim)(H2O)(suc)H2O)}(n) (1) and {[Cu(H(2)biim)(2)(H2O)][Cu(H(2)biim)(2)(glut)](glutH)(NO3)center dot 2.5H(2)O}(n) (2) (H(2)biim, 2,2 '-biimidazole; suc, succinate dianion; glut, glutarate dianion) have been synthesized and characterized by single crystal X-ray diffraction study and thermal analysis. Complex 1 comprises of 1D zigzag coordination polymers, elongated along the crystallographic b-axis, connected through H-bonding and face-to-face pi-pi interactions to form a robust 3D network. Whereas complex 2 is built up of bischelated [Cu(II)(H(2)biim)(2)](2+) Units, glutarate and nitrate anions and water molecules, held together through an extensive H-bonded system. The resulting 3D supramolecular architecture defines channels which are filled by lattice water molecules and disordered nitrate anions. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4195 / 4200
页数:6
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