Chem. J. Chinese Universities

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Hydrothermal Synthesis and Characterization of a New Indium Phosphite [In4(HPO3)7(H2O)3](NH3CH2CH2NH3)·(H2O) with Intersectin

LIU Cheng-Zhan1,2, ZHU Guang-Shan1, JIN Zhao1, XUE Ming1, SUN Fu-Xing1, FANG Qiang-Rong1, QIU Shi-Lun1*   

    1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China;
    2. School of Chemistry, Northeast Normal University, Changchun 130024, China
  • Received:2007-01-11 Revised:1900-01-01 Online:2007-10-10 Published:2007-10-10
  • Contact: QIU Shi-Lun

Abstract: 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 single-crystal 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) nm3, Z=2, Dc=2.489 Mg/m3, R1[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.

Key words: Hydrothermal synthesis, Crystal structure, Ethylenediamine, Indium phosphite

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