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首页> 外文期刊>Crystal growth & design >Syntheses, Structural Characterization, and Properties of {[Cu(bpp)_2(H_2O)_2](tp) ? 7H_2O} and {[Cu(bpp)_2(H_2O)](ip) ? 7H_2O} Complexes. New Examples of the Organic Anionic Template Effect on Induced Assembly of Water Clusters (bpp = 1,3-Bis(4-pyridyl)propane, tp = Terephthalate, ip = Isophthalate)
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Syntheses, Structural Characterization, and Properties of {[Cu(bpp)_2(H_2O)_2](tp) ? 7H_2O} and {[Cu(bpp)_2(H_2O)](ip) ? 7H_2O} Complexes. New Examples of the Organic Anionic Template Effect on Induced Assembly of Water Clusters (bpp = 1,3-Bis(4-pyridyl)propane, tp = Terephthalate, ip = Isophthalate)

机译：{[Cu（bpp）_2（H_2O）_2]（tp）？的合成，结构表征和性质7H_2O}和{[Cu（bpp）_2（H_2O）]（ip）吗？ 7H_2O}复合物。有机阴离子模板对水簇诱导组装的新实例（bpp = 1,3-双（4-吡啶基）丙烷，tp =对苯二甲酸酯，ip =间苯二甲酸酯）

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摘要

A unique zero-dimensional (0D) discrete (H_2O)_(14) cluster containing a rare hanging-ladder-like water octamer and an infinite one-dimensional (1D) loose-string-like water chain, respectively, was observed in the coordination polymeric solids {[Cu(bpp)_2(H_2O)_2](tp) ? 7H_2O} (1) and {[Cu(bpp)_2(H_2O)](ip) ? 7H_2O} (2) (bpp=1,3-bis(4-pyridyl)propane, tp=terephthalate, and ip = isophthalate), obtained by similar solution phase ultrasonic synthesis techniques, in which 1 (C_(34)H_(50)CuN_4O_(13)) crystallized in the monoclinic P2_1 space group,Z=4(a=12.824(3)?, b=16.867(3)?, c=17.660(4)?; β=94.50(3)o;V= 3808(1) ?~3) and 2 (C_(34)H_(48)CuN_4O_(12)) was attributed to the monoclinic P2_1 chiral space group, Z = 2 (a = 10.439(2) ?, b = 16.863(3)?, c=11.302(2)?; β=107.84(3)o;V=1893.9(6)?~3), respectively. Of particular interest, the shapes of water clusters have been obviously well-tuned by modulating different relative orientations of carboxylate groups based on the tp~(2-) and ip~(2-) dianions, demonstrating that water aggregates with different morphologies can be controlled by employing adequate organic anionic species as templates. Both complexes are apparently reducible/oxidizable, which has been confirmed through the electrochemical investigation, and 1 exhibits appreciable electrocatalytic activity for the reduction reaction of nitrite.
机译：观察到一个独特的零维（0D）离散（H_2O）_（14）簇，分别包含稀有的悬梯状水八聚体和无限一维（1D）松散状水链。配位聚合物固体{[Cu（bpp）_2（H_2O）_2]（tp）？ 7H_2O}（1）和{[Cu（bpp）_2（H_2O）]（ip）吗？ 7H_2O}（2）（bpp = 1,3-双（4-吡啶基）丙烷，tp =对苯二甲酸酯，ip =间苯二甲酸酯），通过类似的溶液相超声合成技术获得，其中1（C_（34）H_（50 ）CuN_4O_（13））在单斜P2_1 / n空间群中结晶，Z = 4（a = 12.824（3）?, b = 16.867（3）?, c = 17.660（4）?;β= 94.50（3） o; V = 3808（1）~~ 3）和2（C_（34）H_（48）CuN_4O_（12））归因于单斜P2_1手性空间群Z = 2（a = 10.439（2）α， b ＝ 16.863（3）′，c ＝ 11.302（2）′;β＝ 107.84（3）o; V ＝ 1893.9（6）′〜3）。特别令人感兴趣的是，通过基于tp〜（2-）和ip〜（2-）阴离子调节羧酸根基团的不同相对方向，显然可以很好地调节水团簇的形状，这表明不同形态的水聚集体可以通过使用适当的有机阴离子物质作为模板进行控制。两种配合物显然都是可还原的/可氧化的，这已通过电化学研究得到证实，并且1对亚硝酸盐的还原反应显示出明显的电催化活性。

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