Huang Chun-De, Huang Jie-Xuan, Wu Yi-Yi, Lian Ying-Yang, Zeng Rong-Hua
Acta Crystallogr Sect E Struct Rep Online. 2009 Jan 10;65(Pt 2):m177-8. doi: 10.1107/S1600536809000580.
In the title complex, {[Dy(C(6)H(4)NO(3))(C(2)O(4))(H(2)O)]·H(2)O}(n), the Dy(III) ion is coordinated by seven O atoms from two 2-oxidopyridinium-3-carboxylate ligands, two oxalate ligands and one water mol-ecule, displaying a distorted bicapped trigonal-prismatic geometry. The carboxyl-ate groups of the 2-oxidopyridinium-3-carboxylate and oxalate ligands link dysprosium metal centres, forming layers parallel to (100). These layers are further connected by inter-molecular O-H⋯O hydrogen-bonding inter-actions involving the coordin-ated water mol-ecules, forming a three-dimensional supra-molecular network. The uncoordinated water mol-ecule is involved in N-H⋯O and O-H⋯O hydrogen-bonding inter-actions within the layer.
在标题配合物{[Dy(C₆H₄NO₃)(C₂O₄)(H₂O)]·H₂O}ₙ中，Dy(III)离子由来自两个2 - 氧化吡啶 - 3 - 羧酸盐配体、两个草酸盐配体和一个水分子的七个O原子配位，呈现出扭曲的双帽三角棱柱几何构型。2 - 氧化吡啶 - 3 - 羧酸盐和草酸盐配体的羧酸盐基团连接镝金属中心，形成平行于(100)的层。这些层通过涉及配位水分子的分子间O—H⋯O氢键相互作用进一步连接，形成三维超分子网络。未配位的水分子参与层内的N—H⋯O和O—H⋯O氢键相互作用。
