Synthesis, crystal structure, and fluorescence properties of a two-dimensional copper(II) complex with Schiff base

被引：8

作者：

Fan, Y. H. ^{[1
]}

Wang, Y. F. ^{[1
]}

Bi, C. F. ^{[1
]}

Wang, Q. ^{[1
]}

Zhang, X. ^{[1
]}

Liu, X. Y. ^{[1
]}

机构：

[1] Ocean Univ China, Coll Chem & Chem Engn, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Shandong, Peoples R China

来源：

RUSSIAN JOURNAL OF COORDINATION CHEMISTRY | 2010年 / 36卷 / 07期

基金：

美国国家科学基金会;

关键词：

MAGNETIC-PROPERTIES; MONONUCLEAR; LIGANDS;

D O I：

10.1134/S1070328410070055

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new Schiff base ligand C19H13NO5(H2L) was synthesized using 2-aminoterephthalic acid and 2-hydroxy-1-naphthaldehyde. A complex of this ligand [Cu(C19H11NO5)(C2H6O)] (n) was synthesized and characterized by IR, UV, fluorescence spectroscopy and X-ray diffraction single-crystal analysis. The crystal crystallizes in the monoclinic system, space group Pbca with a = 8.7745(18), b = 18.613(4), c = 24.644(5) , V = 4024.9(14) (3), Z = 8, F(000) = 1816, S = 1.009, rho (calcd) = 1.462 g cm(-3), mu = 1.122 mm(-1), the final R = 0.0477 and wR = 0.1594 for 4609 observed reflections (I > 2 sigma(I)). The Cu(II) is five-coordinated by one N atom and two O atoms from the Schiff base ligand and two carboxylate O atoms from another two ligands to form a distorted square-pyramidal geometry. Each ligand serves as a bridging ligand to link Cu2+ ions, leading to a two-dimensional coordination polymer. The fluorescence properties of the ligand and complex were also studied. The ligand shows strong fluorescence, and the fluorescence intensity is weakened after the Cu(II) complex formed.

引用

页码：509 / 513

页数：5

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