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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Construction of (3,8)‐connected three‐dimensional cobalt(II) and copper(II) coordination polymers with 1,3‐bis[(1,2,4‐triazol‐4‐yl)methyl]benzene and benzene‐1,3,5‐tricarboxylate ligands
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Construction of (3,8)‐connected three‐dimensional cobalt(II) and copper(II) coordination polymers with 1,3‐bis[(1,2,4‐triazol‐4‐yl)methyl]benzene and benzene‐1,3,5‐tricarboxylate ligands

机译:(3,8)连接的三维钴(II)和铜(II)配位聚合物,具有1,3-双[(1,2,4-三唑-4-基)甲基]苯和苯-1 ,3,5-三羧酸盐配体

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摘要

Coordination polymers (CPs) have been widely studied because of their diverse and adjustable topologies and wide‐ranging applications in luminescence, chemical sensors, magnetism, photocatalysis, gas adsorption and separation. In the present work, two coordination polymers, namely poly[(μ 5 ‐benzene‐1,3,5‐tricarboxylato‐κ 6 O 1 : O 1′ : O 3 : O 3 : O 5 , O 5′ ){μ 3 ‐1,3‐bis[(1,2,4‐triazol‐4‐yl)methyl]benzene‐κ 3 N : N ′: N ′′}di‐μ 3 ‐hydroxido‐dicobalt(II)], [Co 2 (C 9 H 3 O 6 )(OH)(C 12 H 12 N 6 )] n or [Co 2 (btc)(OH)(mtrb)] n , (1), and poly[[diaquabis(μ 3 ‐benzene‐1,3,5‐tricarboxylato‐κ 3 O 1 : O 3 : O 5 )bis{μ 3 ‐1,3‐bis[(1,2,4‐triazol‐4‐yl)methyl]benzene‐κ 3 N : N ′: N ′′}tetra‐μ 3 ‐hydroxido‐tetracopper(II)] monohydrate], {[Cu 4 (C 9 H 3 O 6 ) 2 (OH) 2 (C 12 H 12 N 6 ) 2 (H 2 O) 2 ]·H 2 O} n or {[Cu 4 (btc) 2 (OH) 2 (mtrb) 2 (H 2 O) 2 ]·H 2 O} n , (2), were synthesized by the hydrothermal method using 1,3‐bis[(1,2,4‐triazol‐4‐yl)methyl]benzene (mtrb) and benzene‐1,3,5‐tricarboxylate (btc 3? ). CP (1) exhibits a (3,8)‐coordinated three‐dimensional (3D) network of the 3,8T38 topological type, with a point symbol of {4,5,6} 2 {4 2 ·5 6 ·6 16 ·7 2 ·8 2 }, based on the tetranuclear hydroxide cobalt(II) cluster [Co 4 (μ 3 ‐OH) 2 ]. CP (2) shows a (3,8)‐coordinated tfz‐d topology, with a point symbol of {4 3 } 2 {4 6 ·6 18 ·8 4 }, based on the tetranuclear hydroxide copper(II) cluster [Cu 4 (μ 3 ‐OH) 2 ]. The different (3,8)‐coordinated 3D networks based on tetranuclear hydroxide–metal clusters of (1) and (2) are controlled by the different central metal ions [Co II for (1) and Cu II for (2)]. The thermal stabilities and solid‐state optical diffuse‐reflection spectra were measured. The energy band gaps ( E g ) obtained for (1) and (2) were 2.72 and 2.29?eV, respectively. CPs (1) and (2) exhibit good photocatalytic degradation of the organic dyes methylene blue (MB) and rhodamine B (RhB) under visible‐light irradiation.
机译:由于其多样化和可调节的拓扑,化学传感器,磁,光催化,气体吸附和分离,因此已被广泛研究了协调聚合物(CPS)。在本作工作中,两个配位聚合物,即聚[(μ5-苯苯-1,3,5-三羧酸盐-κ6o1:O 1':O 3:O 3:O 5,O 5'){μ 3 -1,3-BIS [(1,2,4-三唑-4-基)甲基]苯-κ3N:n':n''} Di-μ3-羟基 - 二钴(II),[ CO 2(C 9 H 3 O 6)(OH)(C 12 H 12 N 6)] N或[CO 2(BTC)(OH)(MTRB)] N,(1)和POLY [【辅助(μ 3-苯苯-1,3,5-三羧酸盐-κ3o 1:O 3:O 5)双{μ3-1,3-BIS [(1,2,4-三唑-4-基)甲基]苯-k 3 n:n':n''} Tetra-μ3-羟基 - 四桥(II)单水合物],{[Cu 4(C 9 H 3 O 6)2(OH)2(C 12 H 12 N 6)2(H 2 O)2]·H 2 O} N或{[Cu 4(BTC)2(OH)2(MTRB)2(H 2 O)2]·H 2 O} N,(2)通过使用1,3-BIS [(1,2,4-三唑-4-基)甲基]苯(MTRB)和苯-1,3,5-三羧酸盐(BTC 3 2)来合成水热法合成。 CP(1)展示了3,8T38拓扑类型的(3,8)型的三维(3D)网络,具有{4,5,6} 2 {4·5 6·6 16的点符号·7 2·8 2},基于四核氢氧化物钴(II)簇[CO 4(μ3 -OH)2]。 CP(2)显示(3,8)-CoOdOrdinatedTFZ-D拓扑,基于四核氢氧化物铜(II)簇的{4 3} 2 {4 6·618·8 4}的点符号[ Cu 4(μ3 -OH)2]。基于四核氢氧化金属簇(1)和(2)的不同(3,8)-CoOrdinated 3D网络由不同的中央金属离子[CO II为(1)和CU II为(2)]来控制。测量热稳定性和固态光学漫反射光谱。 (1)和(2)获得的能带间隙(E G)分别为2.72和2.29?EV。 CPS(1)和(2)在可见光照射下表现出有机染料亚甲基蓝(MB)和罗丹明B(RHB)的良好光催化降解。

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