Synthesis, spectroscopic, magnetic and EPR studies and crystal structure of di-μ-(N-phenyl-N-methoxy-2-pyridinamine)bis[(NN) copper(II)]perchlorate, NN=2,2′-bipyridyl or 1,10-phenanthroline

被引：7
|
作者：
Seco, JM
Amador, U
Garmendia, MJG
机构：
[1] Univ Basque Country, Fac Ciencias Quim, Grp Quim Inorgan, UPV EHU, E-20080 San Sebastian, Spain
[2] Univ San Pablo CEU, Fac Ciencias Expt & Tecn, Dept Quim Inorgan & Mat, E-28688 Madrid, Spain
来源：
INORGANICA CHIMICA ACTA | 2000年 / 303卷 / 02期
关键词：
crystal structures; magnetic properties; copper complexes; bidentate nitrogen ligand complexes; dinuclear complexes;
D O I：
10.1016/S0020-1693(00)00045-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new binuclear copper(II) complexes of formula [{Cu(bipy)}(2){mu-Ph(OCN2)Npy}(2)](ClO4)(2) (1) and [{Cu(phen)}(2){mu-Ph(OCH2)Npy}(2)](ClO4)(2) (2) (bipy = 2,2'-bipyridine, phen = 1, 10-phenanthroline and Ph(OCH2)Npy = N-phenyl-N-methoxy-2-pyridinamine) have been prepared and characterized by chemical analysis, X-ray diffraction on single crystals, conductance measurements and IR and electronic spectroscopies. The copper environment in both complexes is distorted square pyramidal with the two alpha-diamine nitrogens and the two methoxo oxygens building the equatorial plane and the pyridine-nitrogen occupying the axial position. Magnetic susceptibility measurements in the temperature range 4.4-291 K reveal the occurrence of ferro(2J = + 10 cm(-1)) (1) and antiferromagnetic (2J = - 98 cm(-1)) (2) interactions. Signals of the triplet state are observed in the EPR spectra of both compounds. (C) 2000 Elsevier Science S.A. All rights reserved.
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收藏
页码：256 / 264
页数：9
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