采用水热法,合成了一个Zn(Ⅱ)配位聚合物[Zn3(4-PP)4(OH)2(SO4)2(H2O)2]n(1,4-PP=4-(1H-pyrazol-3-yl) pyridine),并用元素分析、红外光谱和X-射线单晶衍射对其进行了表征,测定了其热重性质和荧光性质.该配位聚合物1属于单斜晶系,P21/c群,其晶胞参数为:a=12.303(3) nm,b =6.0083(12) nm,c=25.308(5) nm,β=101.40(3)°,F(000)=1056,Dc=1.882 g/cm3,V=1833.8(6) nm3,Mr=1038.94,Z=2,μ(MoKα)=2.140 mm-1,R1=0.0672,wR2 =0.1300.在该配位聚合物1中,金属锌(Ⅱ)与SO24-以及OH-形成纯无机的二维层状结构,而4-PP配体仅作为端基配体;二维结构进一步通过氢键的作用形成三维超分子结构.
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