Synthesis, crystal structure and magnetic properties of cubane and linear trinuclear nickel complexes formed by 3,5-dichloro-2-hydroxybenzylaminoacetic acid

被引：28

作者：

Xiao, Yu ^{[1
]}

Zhang, Shu Hua ^{[2
]}

Li, Guang Zhao ^{[2
]}

Wang, Yin Guang ^{[2
]}

Feng, Chao ^{[2
]}

机构：

[1] Guilin Univ Technol, Coll Environm Sci & Engn, Guangxi Key Lab Environm Engn Protect & Assessmen, Guilin 541004, Peoples R China

[2] Guilin Univ Technol, Coll Chem & Bioengn, Key Lab Nonferrous & Mat Proc Technol, Minist Educ, Guilin 541004, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2011年 / 366卷 / 01期

关键词：

Solvothermal synthesis; Cubane cluster; Linear trinuclear cluster; Magnetic properties; ENERGY-LEVELS; SCHIFF-BASE; LIGANDS; OXIDATION; CLUSTERS; POLYMER; SERIES; H2L; NI;

D O I：

10.1016/j.ica.2010.10.003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of Ni(ClO4)(2)center dot 6H(2)O with 3,5-dichloro-2-hydroxy-benzylaminoacetic acid (H(2)dchaa), NaN3 and triethylamine in methanol solution or water solution under solvothermal methods leads to the formation of two completely different Ni-II compounds: [HN(C2H5)(3)](8)center dot[Ni-4(dchaa)(4)(N-3)(4)](2) (1) and [HN(C2H5)(3)](2)center dot[Ni-3(dchaa)(4)(H2O)(4)](2)center dot(H2O)(2) (2). The complexes 1 and 2 have been characterized by elemental analyses, IR spectra and single-crystal X-ray diffraction. Structure analyses reveal that complex 1 is a cubane cluster, while the complex 2 is a linear trinuclear cluster. The magnetic investigation shows that complexes 1 and 2 exhibit a ferromagnetic coupling between Ni-II ions. Ac susceptibilities of 1 and 2 reveal no frequency-dependent out-of-phase signals and the corresponding magnetic properties were discussed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：39 / 43

页数：5

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