含有十二元环交叉孔道的新颖亚磷酸铟[In_4(HPO_3)_7(H_2O)_3](NH_3CH_2CH_2NH_3)·(H_2O)的水热合成与表征  

Hydrothermal Synthesis and Characterization of a New Indium Phosphite [In_4(HPO_3)_7(H_2O)_3](NH_3CH_2CH_2NH_3)(H_2O) with Intersecting Twelve-membered Ring Channels

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作  者:刘成站[1] 朱广山[1] 金钊[1] 薛铭[1] 孙福兴[1] 方千荣[1] 裘式纶[1] 

机构地区:[1]吉林大学化学学院无机合成与制备化学国家重点实验室

出  处:《高等学校化学学报》2007年第10期1826-1829,共4页Chemical Journal of Chinese Universities

基  金:国家自然科学基金(批准号:20531030)资助.

摘  要:在含有HF的体系中,用乙二胺作模板剂,通过水热方法合成了一个新的三维亚磷酸铟[In4(HPO3)7(H2O)3](NH3CH2CH2NH3)(H2O),并对其进行了红外光谱、热重、ICP和CHN元素分析等表征.单晶X射线衍射分析结果表明,该化合物属于三方晶系,P3空间群,晶胞参数a=1.37883(7)nm,c=0.93450(9)nm,V=1.53862(2)nm3,Z=2,Dc=2.489Mg/m3,最终一致性因子R1[I>2σ(I)]=0.0526,wR2[I>2σ(I)]=0.1328,GOF=1.082.其结构中的InO6八面体、InO5(H2O)八面体和HPO3假四面体通过O原子共顶点连接,分别沿a,b轴方向形成含有十二元环的交叉孔道,客体水分子和双质子化的乙二胺分子存在于孔道中.A new three-dimensional indium phosphite, [ In4 ( HPO3 )7 ( H2O)3 ] ( NH3CH2CH2NH3 ) (H2O), was synthesized under hydrothermal conditions in the system containing HF using ethylenediamine as the template and characterized by IR spectroscopy, TG, ICP and C, H, N elemental analysis. The result of singlecrystal X-ray diffraction analysis reveals that the title compound crystallized in trigonal system, space group P3 with unit cell parameters a = 1. 37883 (7) nm, c =0. 93450(9) nm, V = 1. 53862(2) nm^3, Z =2, Dc = 2. 489 Mg/m^3, R, [ I 〉 2σ(I) ] = 0. 0526, wR2 [ I 〉 2σ(I) ] = 0. 1328, GOF = 1. 082. Its structure is built up from shared vertex linking InO6, InO5 (H2O) octahedral and HPO3 pseudo-pyramidal units by O atoms, forming intersecting twelve-membered ring channels along a and b axes directions. Guest water and diprontonated ethylenediamine molecules exist in the channels.

关 键 词:水热合成 晶体结构 乙二胺 亚磷酸铟 

分 类 号:O614.37[理学—无机化学]

 

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