Crystal structure of a tetranuclear nickel (II) complex of a 24-membered Schiff base macrocyclic ligand

被引：4

作者：

Wan, XB ^{[1
]}

Jin, CM ^{[1
]}

Shi, ZW ^{[1
]}

Lu, GY ^{[1
]}

机构：

[1] Nanjing Univ, State Key Lab Coordinat Chem, Dept Chem, Nanjing 210093, Peoples R China

来源：

JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2004年 / 34卷 / 01期

基金：

中国国家自然科学基金;

关键词：

multinuclear complex; macrocyclic ligand; nickel ion; Schiff base; crystal structure;

D O I：

10.1023/B:JOCC.0000014689.24117.53

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The tetranuclear nickel(II) complex of 24-membered Schiff base macrocyclic ligand has been prepared by template condensation of two molecules 2,6-diformyl-4-chlorophenol with two molecules 2,6-bis(aminomethyl)-4-methylphenol monohydrochloride in methanol solution in the presence of excess nickel(II) acetate and sodium acetate/acetic acid. The tetranuclear nickel(II) complex contains neutral molecules of composition LNi4(CH3COO)(2)(OH)(CH3O . H . OCH3), together with two molecules methanol in the lattice, and it possesses a monoclinic space group C2/c, with a = 21.5053(18) Angstrom, b = 8.8782(7) Angstrom, c = 25.374(2) Angstrom, beta = 93.7830(10)degrees, and D-calc = 1.631 mg/m(3) for Z = 8. The crystallographic data show that the macrocyclic ligand binds four nickel(II) ions at the corners of an approximate square with a mu(4) hydroxo group bound equally to four metals.

引用

页码：57 / 60

页数：4

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