Syntheses, structures and properties of two cadmium compounds containing neutral or in situ protonized 1,4-diazabicyclo[2.2.2]octane

被引：5
|
作者：
Wang, Xiao-Feng [1 ,2 ]
Qi, Xiao-Lin [3 ]
Shi, Fa-Nian [2 ]
Rocha, Joao [2 ]
机构：
[1] Univ S China, Sch Chem & Chem Engn, Hengyang 421001, Peoples R China
[2] Univ Aveiro, CICECO, Dept Chem, P-3810193 Aveiro, Portugal
[3] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2011年 / 1004卷 / 1-3期
关键词：
Cadmium; DABCO/DABCOH; Complex; Crystal structure; Fluorescence; COORDINATION POLYMERS; FRAMEWORK;
D O I：
10.1016/j.molstruc.2011.07.002
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Reaction of Cd(Ac)(2), 1,4-diazabicyclo[2.2.2]octane (DABCO) and biphenyl-2,2'-dicarboxylic acid or biphenyl-4,4'-dicarboxylic acid, two new cadmium complexes, namely molecular quadrangle [Cd-2(2,2'-BPDC)(2)(Ac)(2)(DABCOH)(2)]center dot 2H(2)O (1) and one dimension (1-D) chain [Cd(Ac)(2)(DABCO)(H2O)](n)center dot 2nH(2)O (2), have been synthesized and characterized by elemental analysis, IR spectroscopy and X-ray crystallography. The solution-gel-solution transformation course to crystallize 2 was captured. Through the alternately hydrogen bonds between coordinated Ac- and lattice H2O, both 1 and 2 give rise to a three-dimensional supramolecular structures. In room temperature, 1 displays intense blue fluorescent emission derived from ligand-to-metal change transfer (LMCT). (C) 2011 Elsevier B.V. All rights reserved.
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收藏
页码：26 / 30
页数：5
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