| 萘氧乙酸及咪唑构筑的锌(Ⅱ)和铜(Ⅱ)配合物的水热合成、晶体结构及荧光性质(英文) | |
| Hydrothermal Syntheses, Crystal Structures and Luminescence Properties of Zn(Ⅱ) and Cu(Ⅱ) Complexes Assembled by 2-naphthoxyacetate and Imidazole Ligands | |
| 摘要: 通过水热的方法合成得到2个由萘氧乙酸及咪唑配体构筑的配合物Zn(2-naph)2(imi)2 (1)和2Cu(2-naph)2(imi)2(H2O)·Cu(2-naph)2(imi)2(H2O) (2)(2-naph=2-naphthoxyacetate，imi=imidazole)，它们的结构通过X射线晶体衍射、红外光谱和元素分析得到确定。在配合物1中，锌原子与来自不同2-萘氧乙酸配体中的2个羧酸氧原子和不同的咪唑分子中的2个氮原子形成了变形的四面体的几何构型。单个分子通过N-H…O氢键连接形成了一维链，然后在C-H…π弱作用下形成了三维结构。配合物2有2个独立的铜中心，它们有几乎相同的配位环境。每个铜中心都是变形的四方锥的配位构型。来自不同的2-萘氧乙酸配体中的2个羧酸氧原子和不同的咪唑分子中的2个氮原子形成了一个相对规则的四方锥赤道平面，配位水分子位于平面上方。配合物2的分子通过N-H…O和O-H…O氢键连接形成了二维结构。2个配合物的热稳定和固体荧光性质在本文中也得到了研究和讨论。 | |
| 关键词: 锌(Ⅱ)配合物 铜(Ⅱ)配合物 2-萘氧乙酸 咪唑 晶体结构 荧光性质 | |
| 基金项目: | |
| Abstract: Two complexes assembled by 2-naphthoxyacetate and imidazole ligands, Zn(2-naph)2(imi)2 (1) and 2Cu(2-naph)2(imi)2(H2O)·Cu(2-naph)2(imi)2(H2O) (2) (where 2-naph=2-naphthoxyacetate and imi=imidazole) have been hydrothermally synthesized, and their structures have been determined by X-ray diffraction. In complex 1, Zn(Ⅱ) is in a distorted tetrahedron environment with two carboxylate oxygen atoms from two 2-naphthoxyacetate ligands and two nitrogen atoms from two imidazole ligands. The single molecules of complex 1 are linked by N-H…O hydrogen bonds to generate a one-dimensional chain, then further form a three-dimensional structure by the C-H…π weak interactions. Complex 2 has two independent Cu(Ⅱ) centers with the same coordination environment. Each Cu(Ⅱ) center is in a distorted tetragonal pyramid coordination geometry. Two carboxylate oxygen atoms from two 2-naphthoxyacetate ligands and two nitrogen atoms from two imidazole ligands form a relatively normal square plane of the tetragonal pyramid, and the water molecule occupies the apical position. Molecules of complex 2 are linked by N-H…O and O-H…O hydrogen bonds to yield a two-dimensional structure. The TGA and Luminescence properties in solid state of two complexes have been further studied and discussed. CCDC: 669291, 1; 669290, 2. | |
| Keywords: zinc(Ⅱ) complex copper(Ⅱ) complex 2-naphthoxyacetate imidazole crystal structure luminescence property | |
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| 李伟琦,封 霞,冯云龙,温一航.萘氧乙酸及咪唑构筑的锌(Ⅱ)和铜(Ⅱ)配合物的水热合成、晶体结构及荧光性质(英文)[J].无机化学学报,2008,24(6):873-879. | |
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