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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Using alkaline-earth metal ions to tune structural variations of 1,3,5-benzenetricarboxylate coordination polymers
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Using alkaline-earth metal ions to tune structural variations of 1,3,5-benzenetricarboxylate coordination polymers

机译：使用碱土金属离子调节1,3,5-苯三羧酸酯配位聚合物的结构变化

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摘要

Alkaline-earth metal ions were used to tune four new heterometallic frameworks, {[Cd_(2.07)Mg_(0.93)(BTC)_2(H_2O)_4]·2H_2O}n (1), {[Cd_2Ca(BTC)_2(H_2O)_4]·2H_2O}_n (2), {[Cd_2Sr(BTC)_2(H_2O)_5]·H_2O}_n (3) and [Cd_6Ba_3(BTC)_3(H_2O)_(10_]_n (4) (H3BTC = 1,3,5-benzenetricarboxylic acid), synthesized from H_3BTC and the corresponding metal salts. Single-crystal X-ray analysis shows that compound 1 is a three-dimensional (3D) framework based on heterometallic Cd-O-Cd-O-Mg inorganic chain subunits, compounds 2 and 3 are basically isostructural and feature a 3D framework based on Ca(ii) or Sr(ii) polyhedrons decorated with Cd-O-Cd inorganic chains. Compound 4 is a 3D framework templated by disordered inorganic hydrate Ba(ii) ions, and also features inorganic Cd-O-Cd chains, which are connected together through corner sharing with the {Cd_1O_6} polyhedrons by {Ba_1O_6} polyhedrons, giving rise to a rare heterometallic 3D inorganic skeleton. Moreover, the solid-state fluorescence of compounds 1-4 and NLO properties of compounds 2-4 have also been investigated at room temperature.
机译：碱土金属离子用于调谐四个新的杂金属骨架，{[Cd_（2.07）Mg_（0.93）（BTC）_2（H_2O）_4]·2H_2O} n（1），{[Cd_2Ca（BTC）_2（H_2O） ）_4]·2H_2O} _n（2），{[Cd_2Sr（BTC）_2（H_2O）_5]·H_2O} _n（3）和[Cd_6Ba_3（BTC）_3（H_2O）_（10 _] _ n（4）（H3BTC）由H_3BTC和相应的金属盐合成而成; = 1,3,5-苯三甲酸）单晶X射线分析表明化合物1是基于杂金属Cd-O-Cd-O的三维（3D）骨架-Mg无机链亚基，化合物2和3基本是同构结构，并具有基于Ca（ii）或Sr（ii）多面体的3D骨架，并用Cd-O-Cd无机链修饰。化合物4是由无序无机模板化的3D骨架水合Ba（ii）离子，并具有无机Cd-O-Cd链，这些链通过{Ba_1O_6}多面体与{Cd_1O_6}多面体的角共享而连接在一起，从而产生了稀有的杂金属3D无机骨架。化合物的固态荧光还已经在室温下研究了化合物1-4和1-4的NLO性质。

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