Two Cd(II) coordination polymers based on a tetra-imidazole ligand: Syntheses, structures and photoluminescence

被引：12
|
作者：
Zhao, Fang-Hua [1 ]
He, Yuan-Chun [1 ]
Shen, Chuan-Ying [2 ]
Wang, Duan-Liang [2 ]
Li, Zhong-Lin [1 ]
Li, Shi-Yao [1 ]
Guo, Wen-Yu [1 ]
You, Jin-Mao [1 ,3 ]
机构：
[1] Qufu Normal Univ, Coll Chem & Chem Engn, Qufu 273165, Peoples R China
[2] Qufu Normal Univ, Coll Phys & Engn, Qufu 273165, Peoples R China
[3] Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810008, Qinghai, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2019年 / 492卷
基金：
中国国家自然科学基金;
关键词：
Tetra-imidazole ligand; Cd(II) coordination polymers; (3,4,6)-Connected net; Photoluminescence; METAL-ORGANIC FRAMEWORKS; FLEXIBLE TRIPODAL LIGAND; N-DONOR LIGANDS; MAGNETIC-PROPERTIES; CRYSTAL-STRUCTURE; TOPOLOGICAL STRUCTURES; COMPLEXES; ACID; DIVERSITY; NETWORKS;
D O I：
10.1016/j.ica.2019.04.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two Cd(II) coordination polymers, [Cd(L)(NO3)(2)] (1) and [Cd-2.5(L)(BDC)(1.5)Cl-2](2)center dot 3H(2)O (2) have been synthesized based on a novel tetra-imidazole ligand under hydrothermal conditions. (L= bis(3,5-bis((1H-imidazol-1-yl) methyl)-2,4,6-trimethylphenyl) methane, H2BDC = 1,4-benzenedicarboxylate acid). Polymer 1 displays a 1D chain connected by the L ligand, and extends to a 3D supramolecular structure via CeH. O hydrogen bonds. When added the auxiliary H2BDC ligand, a 2D trilayer structure for 2 was constructed, which shows a trinodal (3,4,6)-connected net with unprecedented symbol of (3.4.5)(2)(3(2).4(2).5(2))(3.(4)4.5.6(8).7)(2). 1 and 2 display photoluminescence at 462 nm and 490 nm, respectively. Thermogravimetric properties of both coordination polymers have also been investigated.
引用
收藏
页码：60 / 65
页数：6
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