| 赵明星,高颖,孟跃,倪生良.化学通报,2014,77(11):1116-1119. |
| 配合物Zn(C3H4N2)2(C8H6O2Br)2的水热合成、晶体结构及性质 |
| Hydrothermal Synthesis, Crystal Structure and Property of Complex Zn(C3H4N2)2(C8H6O2Br)2 |
| 投稿时间：2014-03-11 修订日期：2014-03-19 |
| DOI： |
| 中文关键词: 锌配合物 3-溴-4-甲基苯甲酸 晶体结构 水热合成 |
| 英文关键词:zinc(II) complex,3-bromo-4-methylbenzoic acid,crystal structure, hydrothermal synthesis |
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| 中文摘要: |
| 在140°C下,以3-溴-4-甲基苯甲酸和咪唑为配体,通过水热法在甲醇/水的混合溶剂中反应24 h合成了新型锌(II)配合物Zn(C3H4N2)2(C8H6O2Br)2。通过元素分析、红外光谱、热重分析和X射线粉末衍射对标题配合物进行了结构表征,同时用X射线单晶衍射分析确定了其晶体结构。结果表明,其晶体属单斜晶系,空间群为C2/c,晶胞参数：a = 13.257(3) ?,b = 9.765(2) ?,c = 20.494(4) ?,β = 107.79(3)°,V = 2526.3(9) ?3,Dc = 1.655 g.cm–3,μ = 4.170 mm–1,F(000) = 1248,Z = 4,最终残差因子R1 = 0.0552,wR2 = 0.1378。配合物为单核结构,中心锌(II)离子与来自两个3-溴-4-甲基苯甲酸根的2个O原子及两个咪唑分子的2个N原子配位,形成了畸变的四方锥几何体。晶体内,分子间则通过N–H…O 氢键作用在ab面形成了层状结构。研究了配合物的发光性质。 |
| 英文摘要: |
| A noval mononuclear zinc(II) complex, Zn(C3H4N2)2(C8H6O2Br)2, with 3-bromo-4-methylbenzoic acid and imidazole was synthesized by means of hydrothermal way in methanol-water mixed solutions at 140°C. It was characterized by elemental analysis, IR spectra, thermo-gravimetric analysis and powder XRD. It crystallized in monoclinic C2/c space group with a = 13.257(3) ?,b = 9.765(2) ?,c = 20.494(4) ?,β = 107.79(3)°,V = 2526.3(9) ?3,Dc = 1.655 g.cm–3,μ = 4.170 mm–1,F(000) = 1248,Z = 4,R1 = 0.0552,wR2 = 0.1378. The crystal structure shows that zinc(II) ion was coordinated with two oxygen atoms from two 3-bromo-4-methylbenzoic acid ligands, two nitrogen atoms from two imidazole molecules, respectively, forming a distorted tetrahedral coordination geometry. Each unit is connected by N–H…O hydrogen bonding interactions to form a two-dimensional layered structure. The luminescence behavior of the complex is also reported. |
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