吡啶-2,3,5,6-四甲酸双核锰(Ⅱ)配合物的合成及结构

摘要

A complex [Mn2(H2pdtc)2(H2O)6]· 2H2O (H4pdtc=Pyridine-2,3,5,6-tetracarboxylic acid) has been synthesized and characterized by elemental analysis,FTIR,X-ray single crystal diffraction analysis,studied by magnetic susceptibility.It belongs to triclinic system,P1 space group with a=0.841 66(13) nm,b=0.933 75(14) nm,c=1.024 29(16) nm,α=111.248(2)°,β=90.733(2)°,3=115.161(2)°,V=0.665 66(18) nm3,Z=1.The complex has a binuclear unit,and the dimeric units are alternatively assembled into a 3D supramolecular network structure by intermolecular hydrogen bonds and Π…Π interactions.CCDC:632116.%合成了一个双核锰配合物[Mn2(H2pdtc)2(H2O)6]·2H2O(H4pdtc=吡啶-2,3,5,6-四甲酸),并利用红外光谱、元素分析、X-射线单晶衍射分析及磁性分析等手段对其进行了表征及研究.该配合物为三斜晶系,P(1)空间群,晶胞参数a=0.841 66(13) nm,b=0.933 75(14) nm,c=1.024 29(16) nm,α=111.248(2)°,β=90.733(2)°,γ=115.161(2)°,V=0.665 66(18) nm3,Z=1.结构分析表明,该配合物有一个双核单元,且该双核单元通过分子间氢键及π…π堆积作用形成三维超分子网状结构.