Syntheses and structural researches of Yb3+ complexes with nitrilotriacetic acids -: Nine-coordinate K3[Yb(nta)2(H2O)] • 5H2O and eight-coordinate Na3[Yb(nta)2] • 6H2O complexes

被引：0

作者：

Wang, J ^{[1
]}

Zhang, XD ^{[1
]}

Jia, WG ^{[1
]}

Li, HF ^{[1
]}

机构：

[1] Liaoning Univ, Dept Chem, Shenyang 110036, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2003年 / 19卷 / 02期

关键词：

Yb3+ complex; nitrilotriacetic acid; crystal structure;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Yb3+ complexes with two nitrilotriacetic acid molecules were prepared and their compositions were determined as K-3[Yb(nta)(2)(H2O)] . 5H(2)O and Na-3[Yb(nta)(2)] . 6H(2)O by elemental analyses. Their structures were characterized by single-crystal X-ray diffraction analyses. In complex K-3[Yb(nta)(2)(H2O)] . 5H(2)O, the YbN2O7 part forms a nine-coordinate monocapped square antiprismatic structure. In complex Na-3[Yb(nta)(2)] . 6H(2)O, the YbN2O6 part forms an eight-coordinate square antiprismatic structure. It can be seen that the outer cations (K+ and Na+) greatly affect the coordination number and coordinate structure from these results.

引用

页码：145 / 150

页数：6

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