Chen Jin-Xi, Meng Wei-Wei
School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People's Republic of China.
Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 4;65(Pt 8):m873. doi: 10.1107/S1600536809025392.
The asymmetric unit of the title complex, Zn(C(10)H(6)NO(2))(2)(H(2)O), consists of one quinoline-4-carboxyl-ate anion, half of a Zn(2+) cation and half of a coordinated water mol-ecule. The cation and the water O atom have crystallographically imposed inversion and twofold rotation symmetry, respectively. The metal centre displays an elongated ZnO(6) octa-hedral coordination geometry provided by the O atoms of four anions at the equatorial plane and two axial water mol-ecules. Each anion and water mol-ecule act as bridges between Zn(II) cations, forming a polymeric chain parallel to [001]. The chains are further linked into a three-dimensional framework through O-H⋯N hydrogen bonds.
标题配合物[Zn(C₁₀H₆NO₂)₂(H₂O)]ₙ的不对称单元由一个喹啉 - 4 - 羧酸根阴离子、半个Zn²⁺阳离子和半个配位水分子组成。阳离子和水分子的O原子分别具有晶体学上的反演对称和二重旋转对称。金属中心呈现出拉长的ZnO₆八面体配位几何构型，赤道平面上由四个阴离子的O原子以及两个轴向水分子提供配位。每个阴离子和水分子作为Zn(II)阳离子之间的桥连，形成平行于[001]的聚合物链。这些链通过O - H⋯N氢键进一步连接成三维框架。
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