Synthesis, spectroscopic characterization, X-ray crystal structure and magnetic properties of dinuclear copper(II) complex with dual end-to-end and end-on cyanate bridges:: [Cu2(μ-NCO-N,N′)2(NCO-N)2(dpyam)2]

被引：31

作者：

Youngme, S ^{[1
]}

Phatchimkun, J

Suksangpanya, U

Pakawatchai, C

van Albada, GA

Reedijk, J

机构：

[1] Khon Kaen Univ, Fac Sci, Dept Chem, Khon Kaen 40002, Thailand

[2] Prince Songkla Univ, Fac Sci, Dept Chem, Hat Yai 90112, Thailand

[3] Leiden Univ, Gorlaeus Labs, Inst Chem, NL-2300 RA Leiden, Netherlands

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2005年 / 8卷 / 10期

关键词：

copper(II); pseudohalides; EPR; magnetism; di-2-pyridylamine; cyanate;

D O I：

10.1016/j.inoche.2005.06.024

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new dinuclear copper(II) complex [Cu-2(mu(1),(1)-NCO)(2)(NCO)(2)(dpyam)(2)] (dpyam = di-2-pyridylamine) has been synthesized and characterized by X-ray diffraction. Two N-bonded cyanato ligands bridge two copper ions in an end-on fashion and two others act as the N-bonded terminal ligands. The copper ion has a distorted square-pyramidal environment. The magnetic susceptibility, measured from 5 to 300 K, has revealed a weak ferromagnetic interaction between the Cu(II) atoms with a singlet-triplet energy gap (J) of 6.03 cm(-1). The EPR spectrum, measured as a powdered solid at RT and 77 K, shows an S = 1/2 signal with g(perpendicular to) = 2.08 and an unresolved g(parallel to) of 2.29. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：882 / 885

页数：4

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