Xue Jun-Hui, Hua Xiao-Hui, Li Chun-Ping, Xu Yi-Zhuang, Wu Jin-Guang
Acta Crystallogr Sect E Struct Rep Online. 2012 Feb 1;68(Pt 2):m170-1. doi: 10.1107/S1600536811055619. Epub 2012 Jan 18.
In the title complex, {[Nd(C(6)H(4)NO(2))(2)(H(2)O)(4)]Cl}(n), the Nd(III) cation is located on a twofold rotation axis and coordinated by four isonicotiniate anions and four water mol-ecules in a distorted square-anti-prismatic geometry. The carboxyl-ate groups of the isonicotinate anions bridge the Nd(III) cations, forming polymeric chains running along the c axis. The Cl(-) anion is located on a twofold rotation axis and is linked to the polymeric chains via O-H⋯Cl hydrogen bonding. Inter-molecular O-H⋯O and O-H⋯N hydrogen bonds are also present in the crystal structure.
在标题配合物{[Nd(C₆H₄NO₂)₂(H₂O)₄]Cl}ₙ中，Nd(III)阳离子位于二重旋转轴上，以扭曲的四方反棱柱几何构型与四个异烟酸根阴离子和四个水分子配位。异烟酸根阴离子的羧酸根基团桥连Nd(III)阳离子，形成沿c轴延伸的聚合物链。Cl⁻阴离子位于二重旋转轴上，通过O—H⋯Cl氢键与聚合物链相连。晶体结构中还存在分子间O—H⋯O和O—H⋯N氢键。
