Syntheses, crystal structures and properties of two novel lanthanide-carboxylate polymeric complexes

被引：132

作者：

Sun, DF ^{[1
]}

Cao, R ^{[1
]}

Liang, YC ^{[1
]}

Shi, Q ^{[1
]}

Hong, M ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 2002年 / 08期

关键词：

D O I：

10.1039/b109985j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two novel lanthanide-carboxylate polymeric complexes containing nine-coordinate lanthanide metal centers, [Nd(H(2)btec)(1/2) (btec)(1/2) (H2O)](n) (1), [Gd(Hbtec)](n) (2), have been prepared by hydrothermal reaction of NdCl3.6H(2)O or Gd(NO3)(3).6H(2)O with 1,2,4,5-benzenetetracarboxylic dianhydride. Complex 1 crystallizes in triclinic space group P (1) over bar, with a = 6.3822( 5), b = 9.3323(7), c = 9.5201(7) Angstrom,alpha = 88.422(2), beta = 74.446(2),gamma = 76.647(10)degrees, V = 531.13(7) Angstrom(3) and Z = 2. Complex 2 crystallizes in triclinic space group P (1) over bar, with a = 7.2325(7), b = 7.9946( 8), c = 8.7833(9) Angstrom, alpha = 65.4120(10),beta = 86.272(2), gamma = 84.377(2)degrees; V = 459.42(8) Angstrom(3) and Z = 2. The two complexes have high thermal stability and are stable up to 400 degreesC. Magnetic susceptibility measurements for 1 and 2 are consistent with the occurrence of antiferromagnetic interactions through carboxylate bridges.

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页码：1847 / 1851

页数：5

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