A novel trinuclear cobalt(II) complex derived from an asymmetric Salamo-type N2O3 bisoxime chelate ligand: Synthesis, structure and optical properties

被引：38
|
作者：
Dong, Wen-Kui [1 ]
Li, Gang [1 ]
Wang, Zheng-Kun [1 ]
Dong, Xiu-Yan [1 ]
机构：
[1] Lanzhou Jiaotong Univ, Sch Chem & Biol Engn, Lanzhou 730070, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 133卷
基金：
中国国家自然科学基金;
关键词：
Asymmetric Salamo-type ligand; Co(II) complex; Synthesis Crystal structure; Optical property; PHENOLATE; CRYSTAL;
D O I：
10.1016/j.saa.2014.04.190
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A novel trinuclear Co(II) complex, fiCoL(PrOH)](2)Co(H2O)).-PrOH, has been synthesized with 6-ethoxy-6'-hydroxy-2,2'-[ethylenedioxybis(nitrilomethylidyne)]diphenol (H3L), and characterized by elemental analyses, FT-IR, UV-Vis, molar conductance and X-ray crystallographic analysis. Two n-propanol molecules and one water molecule coordinate to three Co(II) ions and four y-phenoxo oxygen atoms from two [CoL(CH3CH2CH2OH)] units also coordinating to Co(II) ion. All the penta-coordinated Co(II) ions of the Co(II) complex have a slightly distorted trigonal bipyramidal coordinated polyhedron. Meanwhile, the y-phenoxo bridges play important roles in assembling Co(II) ions and L3- units, which is different from the normal trinuclear Co(II) complexes with the Salamo-type ligands reported early. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：340 / 347
页数：8
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