Synthesis, Properties and Crystal Structure of [(CH2OH)3CNH<sub>2]2H4SiW12O40·10H2O

Abstract

Abstract: Anovel organic-inorganic salt, [(CH₂OH)₃CNH₂]₂H₄SiW₁₂ O₄₀ ·10H₂O, was synthesized and characterized by means of elemental analyses, IRspectrum, cyclic voltammogram and electronic spectrum. The crystal structure of [(CH₂OH)₃CNH₂]₂H₄SiW₁₂ O₄₀ ·10H₂Owas determined belonging to triclinic with space group P1, a=1.2348 (3)nm, b=1.3085 (3)nm, c=1.8404 (4)nm; α=73.88(3)°, β=74.55(3)°, γ=87.40(3)°, Z=2, R=0.0871. Photochromism studies on [(CH₂OH)₃CNH₂]₂· H₄SiW₁₂ O₄₀ ·10H₂Oshow that the electron transfer takes place from the organic cation to the heteropolyanion. The electrochemical behavior of compound(Ⅰ) shows that the redox peak currents are proportional to the scan rate in H₂SO₄ solution of 2.0 mol/Lwhich indicates the electrode reaction are surface controlled processes.

Key words: Organic inorganic salt, Silicotungstate, Crystal structure, Photochromism

CLC Number:

O614

TrendMD:

BI Li-Hua, XIN Ming-Hong, WANG En-Bo, HUANG Ru-Dan . Synthesis, Properties and Crystal Structure of [(CH₂OH)₃CNH_<sub>2]₂H₄SiW₁₂O₄₀·10H₂O[J]. Chem. J. Chinese Universities, 2001, 22(6): 883.

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Synthesis, Properties and Crystal Structure of [(CH₂OH)₃CNH_<sub>2]₂H₄SiW₁₂O₄₀·10H₂O

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