Solvothermal reactions of CuI with four flexible N-heterocyclic ligands, 1,2-bis(4-pyridyl)ethane (bpe), 1,1′-(1,4-butanediyl)bis-1H-benzimidazole (bbbm), 1,1′-(1,4-butanediyl)bis-1H-benzotriazole (bbbt), and 1,1′-(1,5-pentanediyl)bis-1H-benzimidazole (pbbm), afforded four new [CunIn]-based coordination polymers, [Cu3I(μ-I)(μ3-I)(bpe)3]n (1), [CuI(bbbm)1.5]·0.25MeCN}n (2), and [Cu4(μ3-I)4L2]n (3: L = bbbt; 4: L = pbbm), respectively. Compounds 1–4 were characterized by elemental analysis, IR and X-ray crystallography. 1 consists of an unique 2D network in which 1D [CuI(bpe)]n zigzag chains are embroidered alternatively onto the two faces of a 2D [Cu4(μ-I)2(μ3-I)2(bpe)2]n layer through pairs of bpe bridges. 2 contains a 66-membered metallomacrocyclic [CuI(bbbm)1.5]6 unit that fuses with its neighbouring ones via sharing Cu atoms to form a 2D (6,3) layer network. 3 or 4 contains a cubanelike [Cu4(μ3-I)4] core, which works as a cross-shaped four-connecting node to link its four equivalent units to form a 2D (4,4) cross-shaped network (3) or acts as a Y-shaped three-connecting node to connect its three equivalent ones to form a 1D double chain (4). In addition, the photoluminescent properties of 1–4 in solid state at ambient temperature were also investigated.
反应的溶热反应与四个柔性N杂环
配体,1,2-双(4-
吡啶基)
乙烷(bpe)、1,1′-(1,4-丁二基)双-1H-
苯并咪唑(bbbm)、1,1′-(1,4-丁二基)双-1H-苯并三唑(bbbt)和1,1′-(1,5-戊二基)双-1H-
苯并咪唑(pbbm)的溶热反应,分别产生了四个新的基于[CunIn]的配位聚合物,[Cu3I(μ-I)(μ3-I)(bpe)3]n (1)、[CuI(bbbm)1.5]·0.25MeCN}n (2)和[Cu4(μ3-I)4
L2]n (3: L = bbbt; 4: L = pbbm)。通过元素分析、红外光谱和X射线晶体学对化合物1-4进行了表征。1由独特的二维网络组成,其中一维[CuI(bpe)]n之字形链通过成对的bpe桥交替地绣在二维[Cu4(μ-I)2(μ3-I)2(bpe)2]n层的两个面上。2包含一个66