through isolated [MoO4]2– tetrahedra. These ribbons in turn are connected into a two-dimensional (2–D) coordination polymer structure by tethering 3,4′-dpk ligands. Compound 2, containing monovalent copper ions, manifests an unprecedented “X-rail” 1-D extended structure with (628)4(66) topology formed from the bracketing of discrete [β–Mo8O26]4– anions by four [CuI(3,4′‐dpk)]nn+ chains. The variable temperature
以1:1:2的摩尔比对CuCl 2 ·2H 2 O,MoO 3和3,4'-二
吡啶基酮(3,4'-dpk)进行
水热处理,得到了新的混合金属氧化物相[Cu 2(MoO 4)2(3,4'-dpk)(H 2 O)](1)或[Cu 4(3,4'-dpk)4(Mo 8 O 26)](2),具体取决于初始反应的pH混合物。化合物1具有独特的一维(1-D)[Cu 2(MoO 4)2(H 2 O)] n由Cu II 4 O 6 }四聚体单元通过孤立的[MoO 4 ] 2 –四面体连接而构成的碳带。这些带通过束缚3,4'-dpk
配体依次连接成二维(2-D)配位聚合物结构。含有一价
铜离子的化合物2表现出空前的“ X轨”一维扩展结构,具有由离散的[ β- Mo 8 O 26 ] 4-阴离子包围形成的(6 2 8)4(6 6)拓扑结构。乘以四个[CuI(3,4'-dpk)] nn +链。的可变温度磁化率行为1拟合至线性四聚体模型,用克=