Hydrothermally Synthesis, Crystal Structure and Properties of a Cyclic Tetranuclear Cadmium Complex Based on 4-Hydroxypyridine-2,6-dicarboxylic Acid

被引：0

作者：

Chen Xiao-Li ^{[1
]}

Qiao Ya-Li ^{[1
]}

Cui Hua-Li ^{[1
]}

Huo Yong-Qian ^{[1
]}

机构：

[1] Yanan Univ, Shaanxi Key Lab Chem React Engn, Dept Chem & Chem Engn, Yanan 716000, Shannxi, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2012年 / 28卷 / 10期

关键词：

cadmium complex; crystal structure; hydrothermal synthesis; luminescence; COORDINATION POLYMER; NETWORKS; DESIGN;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A cadmium complex [Cd-4(cam)(4)(phen)(4)]center dot 4H(2)O (H(2)cam=4-hydroxypyridine-2,6-dicarboxylic acid hydrate, phen =1,10-phenanthroline) has been hydrothermal synthesized and structurally characterized by elemental analyses, thermal stability analysis, IR and single-crystal X-ray diffraction analyses. Crystal structural analysis reveals that it crystallizes in monoclinic system, space group P2(1)/c, a=1.421 61(10) nm, b=1.94642(13) nm, c=1.439 66(10) nm, beta=115.385 0(10)degrees. The Cd-II ion is seven-coordinate with a slightly distorted pentagonal bipyramid geometry. Two pairs Cd-II ions joined with four (cam)(2-) ions to form a cyclic tetranuclear structure. The neighboring tetranuclear units are linked into 2D supramolecular network through hydrogen bonding interaction. Hydrogen bonding and pi center dot center dot center dot pi stacking interactions contact the 2D network to form 3D supramolecular structures. CCDC: 820965.

引用

页码：2257 / 2263

页数：7

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