| 2-丙基-1H-4, 5-咪唑二酸构筑的混核锌-钕配位聚合物的合成、晶体结构及磁性质 |
| Synthesis, Crystal Structure and Magnetic Properties of a Zn-Nd Heterometallic Coordination Polymer Constructed by 2-Propyl-1H-imidazole-4, 5-dicarboxylic Acid |
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| 摘要: 通过水热方法,合成了一个杂金属的配位聚合物{[NdZn(H2pimda)3(Hpimda)(H2O)2]·H2O}n(1),(H3pimda=2-丙基-1H-4,5-咪唑二酸),并对其结构和磁性质进行了研究。结构分析结果表明配合物1的晶体属于单斜晶系,P21/c空间群。配合物1是由配体2-丙基-1H-4,5-咪唑二酸连接而成的二维层状结构,该二维层通过氢键延伸为三维超分子结构。磁性研究表明,配合物1中相邻钕离子间存在着反铁磁相互作用。 |
| 关键词: 3d-4f配位聚合物 2-丙基-1H-4, 5-咪唑二酸 氢键 磁性质 |
| 基金项目: 太原科技大学研究团队资助项目 |
| Abstract: Anovel 3d-4f heterometallic coordination polymer, namely, {[NdZn(H2pimda)3(Hpimda)(H2O)2]·H2O}n (1), (H3pimda=2-propyl-1H-imidazole-4,5-dicarboxylic acid) has been hydrothermally synthesized by using Nd2O3, Zn(NO3)2·6H2O and H3 pimda as raw materials, and characterized by elemental analysis, IR, TG analysis and single crystal X-ray diffraction. The complex 1 crystallizes in the monoclinic system, space group P21/c with a=1.19078(2) nm, b=1.30784(3) nm, c=2.74070(5) nm, β=97.9300(10)°, V=4.22741(14) nm3, Dc=1.652 g·cm-3, Z=4, R=0.0492 and wR=0.1115 (I>2σ(I)). Polymer 1 possesses two-dimensional (2D) network, which further build three-dimensional (3D) supramolecular architecture via N-H…O hydrogen-bonding interactions. Variable temperature magnetic susceptibility studies reveal that complex 1 displays weak antiferromagnetic coupling between the neighboring Nd(Ⅲ) ions. CCDC: 906826. |
| Keywords: 3d-4f coordination polymer 2-propyl-1H-imidazole-4, 5-dicarboxylic acid hydrogen bond magnetic property |
| 投稿时间：2013-02-16 修订日期：2013-05-25 |
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| 高竹青,李红晋,顾金忠.2-丙基-1H-4, 5-咪唑二酸构筑的混核锌-钕配位聚合物的合成、晶体结构及磁性质[J].无机化学学报,2013,29(11):2460-2464. |
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