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机构地区:[1]韩山师范学院化学系,潮州521041 [2]泉州师范学院化学与生命科学学院,泉州362000
出 处:《无机化学学报》2013年第9期1893-1896,共4页Chinese Journal of Inorganic Chemistry
基 金:广东省科技厅科技项目(No.2011B090400521);福建省科技厅科技项目(No.2008F5053)资助项目
摘 要:合成了一种锌配位聚合物{[Zn(H2O)2(L)(phen)].3H2O}n(1),其中,H2L=1-氨基-8-萘酚-3,6-二磺酸并利用元素分析、红外、紫外、荧光、热重和X-射线单晶衍射分析进行了表征。标题配合物属正交晶系,Pnma空间群,a=1.698 90(12)nm,b=0.661 88(11)nm,c=2.480 40(14)nm,V=2.789 1(5)nm3,Z=4,Mr=634.92,Dc=1.512 g.cm-3,R=0.058 6,wR=0.121 4。标题配合物呈现一维链状结构,链内L2-和phen配体之间存在π-π堆积作用,链与链之间通过氢键扩展为二维超分子网络。A zinc polymer {[Zn (H2O)2 (L) (phen)] · 3HRO}n (1, H2L =1-hydroxy-8-amino-naphthahne-3,6-disulfonic acid, phen=1,10-phenanthroline) has been synthesized and structurally characterized by elemental analysis, IR, UV, PL, TG and single crystal X-ray diffraction. The title complex crystallized in orthorhombic with space group Prima, a=1.698 90(12) nm, b=0.661 88(11) nm, c=2.480 40(14) nm, V=2.789 1(5) nm3, Z=4, Mr=634.92, De= 1.512 g.cm-3, the final R=0.058 6, wR=0.121 4 for 1 994 observed reflections (I〉2δ(/)). In 1, L2- ligands bridge the six-coordinated zinc(B) ions forming 1D chains, which are further connected by intermolecular hydrogen- bonding interactions, generating a 2D supramolecular network. Moreover , aromatic π-π stacking interactions between phenyl rings of L2- dianion and phenanthrolines were detected. CCDC: 900913.
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