用水热法合成了两种新的配合物[Cd2(e,e-trans -chdc)2(bipy)2(H2O)2]·H2O(1)和[Mn2(e,a-cis-chdc)2(phen)2(H2O)2]·2H2O (2)(chdc=1,2-环己二羧酸,bipy=2,2′-联吡啶和phen=1,10-邻菲咯啉),用X-射线单晶衍射分析确定了配合物的晶体结构.配合物1和2均为双核分子.配合物1中,2个镉(Ⅱ)离子由2个1,2-环己二羧酸根以e,e-trans配位方式桥联,每个镉(Ⅱ)离子与1个2,2′-联吡啶的2个氮原子、2个1,2-环己二羧酸根的4个氧原子及1个水分子中的氧原子配位,形成了单帽变形三棱柱构型.配合物2中,2个锰(Ⅱ)离子由2个1,2-环己二羧酸根以e,a-cis配位方式桥联,每个锰(Ⅱ)离子与1个1,10-邻菲咯啉的2个氮原子、2个1,2-环己二羧酸根的3个氧原子及1个水分子中的氧原子配位,形成了畸变的八面体构型.配合物1和2分子之间都存在π-π堆积和O-H…O、C-H…O弱作用,进而将双核分子连接成三维超分子网络结构.配合物的荧光均来自于配体的荧光.%Two compounds, [Cd2(e,e-trans-chdc)2(bipy)2H2O)2·H2O (1) and [Mn2(e,a-cis-chdc)2(phen)2(H2O)2]·2H2O (2) (chdc=cyclohexanedicarboxylic acid, bipy=dipyridyl and phen=l,10-phenanthroline), have been obtained by hydrothermal method and characterized by X-ray single-crystal diffraction. The two complexes are binuclear complexes. In complex 1, two Cd(II) cations are bridged by 1,2-chdc with e,e-trans-conformation. Each Cd(II) cation is seven-coordinated to two nitrogen atoms of bipy molecule, four oxygen atoms of two 1,2-chdc ligands and one oxygen atom of water molecule, forming distorted mono-capped trigonal-prism. In complex 2, two Mn(II) cations are bridged by 1,2-chdc with e,arcis-conformation. Each Mn(E) cation is six-coordinated to two nitrogen atoms of phen molecule, three oxygen atoms of two 1,2-chdc ligands and one oxygen atom of water molecule, forming distorted octahedron coordination environment. The π-π stacking and 0-H···0 and C-H···0 hydrogen bonds in the two complexes result in 3D supramolecular networks. Fluorescence spectra of the two complexes are assigned to π*-π of ligand. CCDC: 815211, 1; 815212, 2.
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