通过水热方法合成了一个新的化合物[Co2(L)2(1,5-PDC)2]·0.5H2O(L为邻菲啰啉衍生物2-(2-fluorophenyl)- 1H-imidazo[4,5-f][1,10]phenanthroline,1,5-PDC为庚二羧酸阴离子),并对该化合物进行了元素分析、红外和X射线单晶衍射表征.该化合物属于三斜晶系,空间群P-1,晶胞参数C104H86Co4F4N16O17,a=1.108 2(5) nm,6=1.3902(4) nm,c=1.6017(6) nm,α=90.806(5)°,β=93.429(3)°,γ=111.312(5)°,V=2.2930(15) nm3,Z=1,R=0.0597,wR=0.1608.在该化合物中,1,5-PDC阴离子桥联着相邻的钴离子从而形成了一维链状结构.存在于相邻链之间的π-π相互作用使一维链形成了二维超分子结构.此外,N-H…O和O-H…N氢键进一步地稳定了此二维超分子结构.%Abstract:A coordination polymer,[Co2(L)2(1,5-PDC)2]·0.5H2O 1 (L=2-(2-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline and 1,5-PDC=pentane-1,5-dicarboxylate,has been synthesized under hydrothermal condition,and characterized by elemental analysis,IR spectroscopy,TGA,UV-vis spectrum and single-crystal X-ray diffraction.Crystal data:C104H86Co4F4N16O17,triclinic system,space group P-1,a=1.1082(5) nm,b=1.3902(4) nm,c=1.6017(6)nm,α=90.806(5)°,β=93.429(3)°,y=111.312(5)°,V=2.293 0(15) nm3,Z=1,R=0.0597,wR=0.1608.In 1,the 1,5-PDC ligand bridges neighboring Co(Ⅱ) atoms to form a one-dimensional (1D) chain structure.The π-π interactions between neighboring chains resulted in a 2D supramolecular architecture.In addition,the N-H… O and O-H… N hydrogen-bonding interactions further stabilize the supramolecular structure of 1.CCDC:872031.
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