Hydrothermal Synthesis, Crystal Structure, and Characterizations of a New Lanthanide Oxalatophosphonate with a 3D Framework Structure

被引：3

作者：

Zhang, Na ^{[1
]}

Huang, Cui-Ying ^{[1
]}

Sun, Zhen-Gang ^{[1
]}

Liu, Lei ^{[1
]}

Hua, Rui-Nian ^{[2
]}

Lu, Xin ^{[1
]}

Tong, Fei ^{[1
]}

Wang, Wei-Nan ^{[1
]}

机构：

[1] Liaoning Normal Univ, Inst Chem Functionalized Mat, Sch Chem & Chem Engn, Dalian, Peoples R China

[2] Dalian Nationalities Univ, Coll Life Sci, Dalian, Peoples R China

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2010年 / 636卷 / 3-4期

关键词：

Metal phosphonates; X-ray diffraction; Hydrothermal synthesis; Rare Earths; Oxalate; PHOSPHONATES; CARBOXYLATE;

D O I：

10.1002/zaac.200900338

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new lanthanide oxalatophosphonate with a 3D framework, [Nd-2(HL)(C2O4)(2)(H2O)(3)center dot H2O (1) (H3L = HOOCC5H9NCH2PO3H2) was synthesized by hydrothermal reaction at 140 degrees C by using carboxyphosphonic acid as phosphonate ligand and oxalate as additional metal linker. It was structurally characterized by single-crystal as well as powder X-ray diffraction methods, infrared spectroscopy, elemental analysis, and thermogravimetric analysis. In compound I, the interconnection of the neodymium(III) ions by chelating and bridging oxalate anions leads to a neodymium oxalate layer, these layers are further bridged by carboxyphosphonate ligands to form a 3D framework structure. It is interesting that the result of these connections is the formation of 20- and 16-atom rings that are parallel to one another and run in the b axis direction.

引用

页码：449 / 453

页数：5

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