A novel polymeric Cu(II) assemblage and a monomeric Ni(II) complex from a new easy-to-prepare flexible polytopic ligand: Synthesis, structural and magnetic studies

被引：21

作者：

Sen, S

Choudhury, CR

Talukder, P

Mitra, S

Westerhausen, M

Kneifel, AN

Desplanches, C

Daro, N

Sutter, JP

机构：

[1] Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India

[2] Univ Jena, Inst Inorgan & Analyt Chem, D-07743 Jena, Germany

[3] Univ Bordeaux 1, CNRS, Inst Chim Mat Condensee Bordeaux, F-33608 Pessac, France

[4] Univ Toulouse 3, CNRS, Chim Coordinat Lab, F-31077 Toulouse, France

来源：

POLYHEDRON | 2006年 / 25卷 / 06期

关键词：

copper(H); nickel(II) complexes; bis-tridentate ligand; crystal structures; magnetic study;

D O I：

10.1016/j.poly.2005.09.008

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The difference in coordination behavior of one new flexible polytopic ligand H2L (L = C16H14N6O2) has been examined with Cu(II) and Ni(II) acetate. It leads to the formation of a polynuclear pentacoordinated Cu(II) assemblage and a mononuclear four coordinated Ni(II) complex. Both the Compounds are characterized spectroscopically and electrochemically. In the complexes I and 2 the ligand binds the metal centers in trans- and cis-orientation (exo and endo-fashion), respectively. The polynuclear copper complex exhibits strong antiferromagnetic behavior at low temperature with J = -327 cm(-1) and DFT calculation is also carried Out for this complex. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1271 / 1278

页数：8

共 43 条

[1] SYNTHESIS, STRUCTURE, AND SPECTROSCOPIC PROPERTIES OF COPPER(II) COMPOUNDS CONTAINING NITROGEN SULFUR DONOR LIGANDS - THE CRYSTAL AND MOLECULAR-STRUCTURE OF AQUA[1,7-BIS(N-METHYLBENZIMIDAZOL-2'-YL)-2,6-DITHIAHEPTANE]COPPER(II) PERCHLORATE [J].