Crystal Structures and Luminescence of Two Cadmium-Carboxylate Cluster-based Compounds with Mixed Ligands

被引：3
作者：
Ma, Hui-Fang [1 ,2 ]
Lei, Qian [1 ,2 ]
Wang, Yu-Ling [1 ,2 ]
Yin, Shun-Gao [1 ,2 ]
Liu, Qing-Yan [1 ,2 ]
机构：
[1] Jiangxi Normal Univ, Coll Chem & Chem Engn, Nanchang 330022, Jiangxi, Peoples R China
[2] Jiangxi Normal Univ, Key Lab Funct Small Organ Mol, Minist Educ, Nanchang 330022, Jiangxi, Peoples R China
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2017年 / 643卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Cadmium-carboxylate cluster; 2-Quinolinecarboxylate; 1,4-Benzenedicarboxylate; 1,3,5-Benzenetricarboxylate; Luminescence; METAL-ORGANIC FRAMEWORKS; COORDINATION POLYMERS; MAGNETIC-PROPERTIES; COMPLEXES; ACID; RECOGNITION; ADSORPTION; PROPERTY; HYDROGEN; BRIDGES;
D O I：
10.1002/zaac.201700020
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of Cd(NO3)(2)center dot 4H(2)O with 2-quinolinecarboxylic acid (H-QLC) in the presence of 1,4-benzenedicarboxylic acid (H-2-BDC) or 1,3,5-benzenetricarboxylic acid (H-BTC) in DMF/H2O solvent afforded two compounds, namely, [Cd(QLC)(BDC)(1/2)(H2O)](n) (1) and [Cd(QLC)(BTC)(1/3)](n) (2). Both compounds are two-dimensional (2D) frameworks but feature different cadmium-carboxylate clusters as a result of the presence of the polycarboxylate ligands with different geometries and coordination preference. The dinuclear Cd-2(QLC)(2) units in 1 are bridged by the pairs of bridging water ligands to give a one-dimensional (1D) chain, which is further linked by the second ligand of BDC2- to form a 2D structure. Compound 2 is constructed from unique hexanuclear macrometallacyclic Cd-6(QLC)(6) clusters, which are linked by the surrounding BTC3- ligands to generate a 2D structure. Photoluminescence studies showed both compounds exhibit ligand-centered luminescent emissions with emission maxima at 405 and 401 nm, respectively.
引用
收藏
页码：477 / 482
页数：6
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