Synthesis, Crystal Structure and Properties of H8[P4W14O58Na4(H2O)20]·16H2O

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (12): 1842.

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Synthesis, Crystal Structure and Properties of H₈[P₄W₁₄O₅₈Na₄(H₂O)₂₀]·16H₂O

LIU Zong-Rui¹, WANG Li¹, WANG En-Bo², XU Lin², XING Yan³, LIN Yong-Hua³, JIA Heng-Qing³

1. Inner Mongolia Teachers College of Nationalities, Tongliao 028043, China;
2. Department of Chemistry, Northeast Normal University, Changchun 130024, China;
3. Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, Changchun 130022, China

Received:1998-12-17 Online:1999-12-24 Published:1999-12-24

Abstract

Abstract: Anovel heteropoly tungstophosphates, H₈[P₄W₁₄O₅₈Na₄(H₂O)₂₀]·16H₂O, was synthesized by hydrothermal method and characterized by elemental analysis, IR spectrum and single crystal X-ray structure analysis. The thermal stability of the compound was investigated by using TG-DTA. The crystaLIs triclinic system with space group P1, a = 1.1379(2) nm, b = 1.3632(3) nm, c = 1.6271(3) nm; α=78.20(3)°, β=71.20(3)°, γ=71.62(3)°; V = 2.2525(8) nm³, Z=1, M_r= 4374.38, D_c=3.225mg/cm³, μ=18007 mm^-1, F(000)= 1972, R = 0.0742, R_w= 0.2004 . The result of structure analysis shows that the anion of the compound consists of two PW₇O₂₉Na₂(H₂O)₁₀subunits and two linked phosphorous atoms. Akind of microporous with size of 0.6614 nm× 0.3189 nm was formed in the crystal structure.

Key words: Heteropoly tungstophosphate, Crystal structure, Thermal stability

CLC Number:

O612.6

TrendMD:

LIU Zong-Rui, WANG Li, WANG En-Bo, XU Lin, XING Yan, LIN Yong-Hua, JIA Heng-Qing . Synthesis, Crystal Structure and Properties of H₈[P₄W₁₄O₅₈Na₄(H₂O)₂₀]·16H₂O[J]. Chem. J. Chinese Universities, 1999, 20(12): 1842.

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Synthesis, Crystal Structure and Properties of H₈[P₄W₁₄O₅₈Na₄(H₂O)₂₀]·16H₂O

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