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首页> 外文期刊>Crystal growth & design >Structural diversities and fluorescent and photocatalytic properties of a series of Cu~(II) coordination polymers constructed from flexible bis-pyridyl-bis-amide ligands with different spacer lengths and different aromatic carboxylates
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Structural diversities and fluorescent and photocatalytic properties of a series of Cu~(II) coordination polymers constructed from flexible bis-pyridyl-bis-amide ligands with different spacer lengths and different aromatic carboxylates

机译：由具有不同间隔长度和不同芳族羧酸盐的柔性双吡啶基双酰胺配体构成的一系列Cu〜（II）配位聚合物的结构多样性以及荧光和光催化性能

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摘要

Thirteen new Cu~(II) coordination polymers, namely, [Cu(3-dppa)(1,3,5-HBTC)] (1), [Cu(3-dpha)(1,3,5-HBTC)(H_2O)] ·H_2O (2), [Cu_3(3-dpsea)(1,3,5-BTC) _2(H_2O)_5]·4H_2O (3), [Cu(3-dpba)(1,2-BDC)]·H_2O (4), [Cu(3-dpha)(1,2-BDC)] (5), [Cu(3-dpsea)(1,2-BDC)]·H_2O (6), [Cu_2(3-dpyp)(1,3- BDC)_2(H_2O)_4]·3H_2O (7), [Cu(3-dppa)(1,3-BDC)(H_2O)]·2H_2O (8), [Cu(3-dppia)(1,3-BDC)(H_2O)_2]·2H_2O (9), [Cu_2(3-dpsea)_2(1,3-BDC)_2(H_2O) _2]·7H_2O (10), [Cu(3-dpba)(1,4-NDC)]·3H _2O (11), [Cu(3-dpyh)(1,4-NDC)(H_2O)]·3H_2O (12), [Cu(3-dpyh)_(0.5)(1,4-NDC)]·H_2O (13), have been purposefully synthesized under hydrothermal conditions [3-dppa = N,N′-di(3-pyridyl)propanediamide, 3-dpba = N,N′-di(3-pyridyl) butanediamide, 3-dpha = N,N′-di(3-pyridyl)hexanedioicdiamide, 3-dppia = N,N′-di(3-pyridyl)pimelicdiamide, 3-dpsea = N,N′-di(3-pyridyl) sebacicdiamide, 3-dpyp = N,N′-di(3-pyridinecarboxamide)-1,3-propane, 3-dpyh = N,N′-di(3-pyridinecarboxamide)-1,6-hexane, 1,3,5-H_3BTC = 1,3,5-benzenetricarboxylic acid, 1,2-H_2BDC = 1,2- benzenedicarboxylic acid, 1,3-H_2BDC = 1,3-benzenedicarboxylic acid and 1,4-H_2NDC = 1,4-naphthalenedicarboxylic acid]. Complexes 1-3 based on the same auxiliary ligand show various structures. Complex 1 features a one-dimensional (1D) ∞-like double-chain structure, which consists of a [Cu-1,3,5-HBTC]_n chain and [Cu-3-dppa]n meso-helical chain. Complex 2 possesses a (2,4) undulated honeycomb (hcb) net. Complex 3 is a 3-fold interpenetrating three-dimensional (3D) framework, which shows trinodal (2,3,3)-connected topology with the Schl?fli symbol of (10·12 ~2)_2(10~3)_2(12). Complexes 4-6 with 1,2-BDC as secondary ligand exhibit different two-dimensional (2D) layer structures. Complex 4 exhibits a 2D (2,4)-connected (4·12 ~4·14)(4) net. Complexes 5 and 6 have similar structures and show 2D networks with undulated sql topology. For complexes 7-10 based on 1,3-BDC secondary ligand, complex 7 shows a 1D zigzag chain, while complexes 8-10 have similar wave-like 2D structures. When 1,4-NDC was used as the auxiliary ligand, complex 11 is a 2D puckered (4,4) network, complex 12 reveals a 4-connected topology with the point symbol of (4~4·6 ~2), while complex 13 exhibits a 3-fold interpenetrating 3D α-Po framework. The structural diversity indicates that the bis-pyridyl-bis-amide ligands with different spacers and the aromatic polycarboxylates play important roles in tuning the dimensionalities and structures of the title complexes. The fluorescent and photocatalytic properties for 1-13 have also been investigated in detail.
机译：十三种新的Cu〜（II）配位聚合物，即[Cu（3-dppa）（1,3,5-HBTC）]（1），[Cu（3-dpha）（1,3,5-HBTC）（ H_2O）]·H_2O（2），[Cu_3（3-dpsea）（1,3,5-BTC）_2（H_2O）_5]·4H_2O（3），[Cu（3-dpba）（1,2-BDC） ）]·H_2O（4），[Cu（3-dpha）（1,2-BDC）]（5），[Cu（3-dpsea）（1,2-BDC）]·H_2O（6），[Cu_2 （3-dpyp）（1,3- BDC）_2（H_2O）_4]·3H_2O（7），[Cu（3-dppa）（1,3-BDC）（H_2O）]·2H_2O（8），[Cu （3-dppia）（1,3-BDC）（H_2O）_2]·2H_2O（9），[Cu_2（3-dpsea）_2（1,3-BDC）_2（H_2O）_2]·7H_2O（10）， [Cu（3-dpba）（1,4-NDC）]·3H _2O（11），[Cu（3-dpyh）（1,4-NDC）（H_2O）]·3H_2O（12），[Cu（3 -dpyh）_（0.5）（1,4-NDC）]·H_2O（13）在水热条件下有意合成[3-dppa = N，N'-二（3-吡啶基）丙烷二酰胺，3-dpba = N，N'-二（3-吡啶基）丁二酰胺，3-dpha = N，N'-二（3-吡啶基）己二酰胺，3-dppia = N，N'-二（3-吡啶基）吡二酰胺，3-dpsea = N，N'-二（3-吡啶基）癸二酰胺，3-dpyp = N，N'-二（3-吡啶甲酰胺）-1,3-丙烷，3-dpyh = N，N'-二（3-吡啶甲酰胺） ）-1,6-己烷，1,3,5-H_3BTC = 1,3,5-苯三甲酸1,2 -H_2BDC ＝ 1，2-苯二甲酸，1，3-H_2BDC ＝ 1，3-苯二甲酸和1，4-H_2NDC ＝ 1，4-萘二甲酸]。基于相同辅助配体的配合物1-3显示出各种结构。配合物1具有一维（1D）∞类双链结构，该结构由[Cu-1,3,5-HBTC] _n链和[Cu-3-dppa] n中螺旋链组成。配合物2具有（2,4）起伏的蜂窝（hcb）网。复合体3是3倍互穿的三维（3D）框架，它显示三结点（2,3,3）连接的拓扑，其Schl？fli符号为（10·12〜2）_2（10〜3）_2 （12）。具有1,2-BDC作为次级配体的配合物4-6表现出不同的二维（2D）层结构。络合物4具有2D（2,4）连接的（4·12〜4·14）（4）网络。复杂物5和6具有相似的结构，并显示具有起伏sql拓扑的2D网络。对于基于1,3-BDC二级配体的配合物7-10，配合物7显示1D之字形链，而配合物8-10具有类似的波浪状2D结构。当将1,4-NDC用作辅助配体时，配合物11是2D褶皱的（4,4）网络，配合物12揭示了一个4连接拓扑，其点符号为（4〜4·6〜2），而配合物13表现出3倍互穿的3Dα-Po骨架。结构的多样性表明，具有不同间隔基的双吡啶基双酰胺配体和芳香族多羧酸盐在调节标题复合物的尺寸和结构方面起着重要作用。还详细研究了1-13的荧光和光催化性能。

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