Copper phosphonates with dinuclear and layer structures: a structural and magnetic study

被引：48

作者：

Yao, HC

Li, YZ

Gao, S

Song, Y

Zheng, LM ^{[1
]}

Xin, XQ

机构：

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

[2] Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100870, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2004年 / 177卷 / 12期

基金：

中国国家自然科学基金;

关键词：

copper; phosphonates; structures; 1-hydroxycyclohexanephosphonic; Delta(1)-cyclohexenephosphonic; magnetic properties;

D O I：

10.1016/j.jssc.2004.09.007

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Hydrothermal reactions of copper (II) nitrate with 1-hydroxycyclohexanephosphonic acid [C6H10(OH)PO3H2] or Delta(1)-cyclohexenephosphonic acid [C6H9PO3H2] have resulted in three new copper phosphonates, namely, Cu(C6H10(OH)PO3)(H2O)(2) (1), Cu(C6H10(OH)PO3) (2) and Cu(C6H9PO3)(H2O) (3). Compound 1 has a dinuclear structure in which two {CuO5} square pyramids are bridged by two {CPO3} tetrahedra through corner sharing. The dimers are connected through intermolecular hydrogen bonds, forming supramolecular layers. Both compounds 2 and 3 show layer structures typical for metal mono-phosphonates, in which the inorganic metal-containing layers are separated by cyclohexane or cyclohexene groups. The magnetic studies show that ferromagnetic interactions are mediated between copper centers in compound 1. In compounds 2 and 3, antiferromagnetic interactions are dominant. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：4557 / 4563

页数：7

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