Hydrothermal Synthesis, Crystal Structure and Characterization of a New Three-dimensional Vanadium(Ⅲ) Phosphite

Abstract

Abstract: A new vanadium(Ⅲ) phosphite [V₂(HPO₃)₃(H₂O)₃]·H₂O was synthesized hydrothermally by using V₂O₅, H₃PO₃ and triethylamine as the reactants. The as-synthesized product was characterized by powder X-ray diffraction, IR spectroscopy and ICP analysis. The result of single-crystal X-ray diffraction analysis shows that the title compound crystallized in the monoclinic space group P2₁(No.4) with the parameters a=0.783 9(2) nm, b=1.020 6(3) nm, c=0.824 7(2) nm, β= 112.510(4)°, V= 0.609 6(3) nm³, Z=2. Its structure is built up by alternation of octahedral VO₅(H₂O), VO₄(H₂O)₂ and pseudo-pyramidal HPO₃ units to generate a three-dimensional framework structure where there exist water molecules.

Key words: Hydrothermal synthesis, Vanadium phosphite, Crystal structure, Pseudo pyramid

CLC Number:

O614

TrendMD:

WANG Li, SHI Su-Hua, XU Jia-Ning, LI Guang-Hua, YU Lian-Xiang, SONG Tian-You . Hydrothermal Synthesis, Crystal Structure and Characterization of a New Three-dimensional Vanadium(Ⅲ) Phosphite[J]. Chem. J. Chinese Universities, 2004, 25(12): 2215.

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Hydrothermal Synthesis, Crystal Structure and Characterization of a New Three-dimensional Vanadium(Ⅲ) Phosphite

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