采用3,6-二(2-吡啶基-1,2,4,5-四嗪)(DPTZ)为配体,在水热和叠氮钠存在下,DPTZ中四嗪键发生断裂反应,与pb2+采用自组装的方法合成了配位聚合物{[PbN3(N-bis-(R-hydroxyl-2-pyridyl)ketazine)0.5]}n,利用单晶衍射仪,红外光谱和元素分析对其进行了晶体结构的解析和表征.它属于三斜晶系,空间群P1,晶胞参数分别为a=0.59603(19) nm,b =0.8406(3) nm,c =0.8622(3) nm,α=75.596(5)°,β=87.045(6)°,γ=70.512(5)°,V=0.3942(2) nm3,Mr=959.47,Z=2,Dc=1.032 g/cm3,μ=0.843 mm-1,F(000)=1948.0.在该结构中,中心Pb(Ⅱ)周围形成了一个稍微扭曲的四面体构型,分别与一个来自N-bis-(R-hydroxyl-2-pyridyl) ketazine配体的三个N原子、1个O原子配位,配合物存在着较强的π-π堆积作用.
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