吡啶-2,3,5,6-四甲酸双核锰(Ⅱ)配合物的合成及结构(英文)

Synthesis,Crystal Structure of a Binuclear Mn(Ⅱ) Complex with Pyridine-2,3,5,6-tetracarboxylic Acid

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,P1空间群,晶胞参数a=0.84166(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。

A complex [Mn2（H2pdtc）2（H2O）6]·2H2O（H4pdtc=Pyridine-2,3,5,6-tetracarboxylic acid） has been synthes-ized 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）°,γ=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.