Crystal structure, characterization and magnetic properties of a 1D copper(II) polymer incorporating a Schiff base with carboxylate side arm

被引：4
作者：
Shit, Shyamapada [1 ,2 ]
Nandy, Madhusudan [1 ]
Rizzoli, Corrado [3 ]
Desplanches, Cedric [4 ,5 ]
Mitra, Samiran [1 ]
机构：
[1] Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
[2] Jalpaiguri Govt Engn Coll, Dept Chem, Jalpaiguri 735102, W Bengal, India
[3] Univ Parma, Dipartimento Chim, Parco Area Sci 17-A, I-43124 Parma, Italy
[4] CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
[5] Univ Bordeaux, ICMCB, UPR 9048, F-33600 Pessac, France
来源：
JOURNAL OF CHEMICAL SCIENCES | 2016年 / 128卷 / 06期
关键词：
1D copper(II) polymer; Schiff base; crystal structure; electrochemistry; EPR; magnetic properties; METAL-ORGANIC FRAMEWORK; COORDINATION POLYMERS; COMPLEXES; LIGANDS; ZINC(II); DESIGN; AZIDE; DIMER;
D O I：
10.1007/s12039-016-1082-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new 1D polymeric copper(II) complex [{Cu(L)(CF3COO)}(2)](n) has been synthesized using a potentially tetradentate Schiff base ligand, HL, ((E)-2-((pyridin-2-yl) methyleneamino)-5-chlorobenzoic acid) and characterized by different spectroscopic methods. Single crystal X-ray structural characterization reveals that the side arm carboxylate group of the coordinated Schiff base exhibits a mu(1,3)-bridging mode and connects the neighbouring copper(II) ions leading to a zigzag 1D chain structure where the copper(II) ions display distorted square pyramidal geometries. Variable temperature magnetic susceptibility measurement reveals a weak antiferromagnetic exchange (J = -0.47 +/- 0.01 cm(-1)) prevails between copper(II) ions in the chain mediated by the bridging carboxylate group, is also supported by the room temperature EPR spectral study. Electrochemical property of the complex is also reported.
引用
收藏
页码：913 / 920
页数：8
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