Two copper(II) complexes containing the common chain structures with different charge states
作者:Chun-Ding Zhou、Chao Chen、Li-Xuan Cai、Jie Zhang
DOI:10.1016/j.inoche.2012.04.031
日期:2012.7
Abstract Two one-dimensional copper(II) coordination polymers constructed from 2-hydroxypyrimidine-4,6-dicarboxylic acid (H3hpdc), [Cu2(Hhpdc)2(NH3)2]·2NH3·H2O (1) and [Cu(NH3)4(H2O)][Cu2(hpdc)2(NH3)2]·2H2O (2), have been synthesized and characterized by X-ray single-crystal diffraction analysis and variable temperature magnetic susceptibility measurements, etc. Despite the different deprotonated forms
摘要 由 2-羟基嘧啶-4,6-二羧酸 (H3hpdc)、[Cu2(Hhpdc)2(NH3)2]·2NH3·H2O (1) 和 [Cu(NH3 )4(H2O)][Cu2(hpdc)2(NH3)2]·2H2O (2), 已经合成并通过 X 射线单晶衍射分析和变温磁化率测量等表征。 1 和 2 中 H3hpdc 的形式,羟基-氧代互变异构优化了配体的配位偏好,呈现独特的配位聚合物,包含具有不同电荷状态的相似链结构。在两种化合物中观察到相邻 Cu (II) 离子之间的中等反铁磁耦合相互作用。