【摘要】 在水热条件下(120℃),将醋酸锰、4,4′-联吡啶(4,4′-bpy)与9-蒽酸(9-HAC)反应,得到了配位聚合物[Mn(9-AC)2(4,4′-bpy)(H2O)2]n,通过元素分析、红外光谱、X射线单晶衍射对其进行了表征,并用TGA研究了该配位聚合物的热稳定性.结构解析结果表明,该晶体属于正交晶系,Fdd2空间群,a=1.66772(12)nm,b=3.36471(16)nm,c=1.1687(4)nm,V=6.558(2)nm3,Z=8,Mr=689.60,Dc=1.397Mg/m3,R=0.0356,wR2=0.0604.在该配位聚合物中,中心锰原子采取略微变形的八面体构型,与两种配体共同构筑了一维直线形链结构,链与链之间通过氢键相互作用构筑成三维超分子网络.更多还原

【Abstract】 Hydrothermal reactions of Mn(Ⅱ)acetate,4,4’-bipyridyl(bpy)with anthracene-9-carboxylic acid(9-HAC)resulted in a new coordination polymer [Mn(9-AC)2(4,4’-bpy)(H2O)2]n.The coordination polymer was characterized by ICP,IR,TGA and single-crystal X-ray diffraction analysis(Mo Kα).The crystal crystallizes in an orthorhombic system,space group Fdd2,a=1.66772(12)nm,b=3.36471(16)nm,c=1.1687(4)nm,V =6.558(2)nm3,Z=8,Mr=689.60,Dc=1.397 Mg/m3,R=0.0356,wR2=0.0604.The Mn centers in the frameworks adopt slightly distorted octahedral coordination geometry,and is bridged by 4,4’-bpy ligands to form one-dimensional straight chain structure.The chain packing in the compound gives rise to three-dimensional structure based on weak coordination bond,hydrogen bonding interactions.更多还原