A novel Cd(II) Coordination Polymer, [Cd(L)₂(SO₄)₂(H₂O)₂][Cd(H₂O)₆]·4H₂O (CP 1) (L = (1,1'-((2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene))bis(4-carboxypyridin-1-ium)chloride)), is prepared and characterized by single-crystal X-ray diffraction, elemental analysis, powder X-ray diffraction, infrared spectrum, thermogravimetric analysis, solid-state fluorescence properties and CIE analysis. The single-crystal X-ray diffraction studies reveal that the ligand HLClO₄·H₂O crystallizes in the monoclinic P2₁/n space group, while CP 1 crystallized in the triclinic P-1 space group with two distinct Cd(II) centers. Abundant hydrogen bonds produce the 3D supramolecular structure of CP 1. The experimental results show that the CP 1 has good thermal stability and has potential applications in blue luminescent materials.

Graphical Abstract

The single crystal of a novel Cd (II) coordination polymer based on pyridinium zwitterionic ligand were synthesized in this work.

中文翻译：

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含吡啶两性离子配体的 Cd(II) 配位聚合物的合成、结构表征及荧光性能

一种新型 Cd(II) 配位聚合物，[Cd(L) ₂ (SO ₄ ) ₂ (H ₂ O) ₂ ][Cd(H ₂ O) ₆ ]·4H ₂ O (CP 1 ) (L = (1, 1'-((2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene))bis(4-carboxypyridin-1-ium)chloride)), 的制备和表征为单晶 X-射线衍射、元素分析、粉末X射线衍射、红外光谱、热重分析、固态荧光特性和CIE分析。单晶X射线衍射研究表明配体HLClO ₄ ·H ₂ O在单斜P2 ₁ /n中结晶空间群，而 CP 1在具有两个不同的 Cd(II) 中心的三斜晶系​​ P-1空间群中结晶。丰富的氢键产生 CP 1的 3D 超分子结构。实验结果表明，CP 1具有良好的热稳定性，在蓝色发光材料中具有潜在的应用前景。

图形概要

本工作合成了基于吡啶鎓两性离子配体的新型 Cd (II) 配位聚合物的单晶。