A novel tetranuclear iron complex [Fe4O2(O2CC2H5)7(bipy)2]PF6•2H2O (bipy=2,2′-bipyridine):: Synthesis, crystal structure and magnetic properties

被引：0

作者：

Yan, B

Chen, ZD ^{[1
]}

机构：

[1] Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China

[2] Peking Univ, Univ Hong Kong, Joint Lab Rare Earth Mat & Bioinorgan Chem, Beijing 100871, Peoples R China

来源：

POLISH JOURNAL OF CHEMISTRY | 2001年 / 75卷 / 06期

关键词：

synthesis; crystal structure; magnetic properties; iron; 2,2 '-bipyridine; propionic acid; tetranuclear iron complex;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel tetranuclear iron-ore complex has been synthesized and characterized by X-ray single crystal structural analysis: [Fe4O2(O2CC2H5)(7)(bipy)(2)]PF6. 2H(2)O (bipy = 2,2'-bipyridine). The title complex crystallizes in the monoclinic system, space group C2/c, with lattice parameters a = 27.859(2) Angstrom, b = 13.0629(10) Angstrom, c = 17.2698(14) Angstrom, beta = 123.6080(10)degrees, V = 5234.3 (7) Angstrom (3), Dc = 1.559 Mg/m(3), Z = 4, R-1 = 0.0493. The molecular structure shows that there are two types of coordination environment for Fe(III) atoms. One is formed by two N atoms and four O atoms, another by six O atoms, all in distorted octahedron, which forms a "butterfly" core structure. The corresponding variable temperature susceptibility measurement shows the antiferromagnetic interactions in the complex.

引用

页码：785 / 793

页数：9

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