本文利用柔性配体双三唑甲烷(btm),在水热条件下合成了2个新的配合物[Cu0.5(btm)Cl]n(1)和[Cu(btm)Cl2]n (2).实验表明,氯离子的配位模式会随着金属和配体的比例的不同而改变,从而得到了两种结构不同的配合物.化合物1为一维链状结构,链与链之间通过四重Cl… H-C氢键组合成了三维超分子结构.化合物2为二维(4.4)连接的网状结构,单重氢键Cl… H-C将二维层连接为三维结构.两种配合物用单晶X-衍射、元素分析、热重、顺磁共振等技术进行了表征.%Using a flexible bis-triazole ligand bis(1,2,4-triazol-1-y1)metane (btm),two new copper(Ⅱ) coordination polymers [Cu0.5 (btm)Cl]n (1) and [Cu (btm)Cl2]n (2) have been synthesized under hydrothermal conditions.The coordinating mode of chlorine anions can be tuned as a result of changing the metal/ligand ratio in the reaction system,which ultimately forms two novel structures.1 possesses infinite 1D chain structure,and uncommonly four-fold Cl…H-C hydrogen bonds help the chains form a 3D supramolecular architecture.2 features 2D (4.4) net framewok.Hydrogen bonds (Cl…H-C) reside among the 2D layers,which link the 2D layers to lead to a 3D supramolecular architecture.For 1 and 2,X-ray crystallography,elemental analysis,thermal stability and EPR spectra have been carried out.CCDC:932333,1; 932332,2.
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