Synthesis and Characterization of α-Dawson Mixed -Valence Tris(tetrabutylammonium) Octadecatungstodiperchlorate

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (8): 1168.

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Synthesis and Characterization of α-Dawson Mixed -Valence Tris(tetrabutylammonium) Octadecatungstodiperchlorate

YUE Bin¹, ZHU Si-San¹, XIE Gao-Yang¹, GU Yi-Dong¹, LIU Jie², CHEN Min-Qin²

1. Department of Chemistry, Fudan University, Shanghai, 200433;
2. Research Center of Analysis & Measurement, Fudan University

Received:1994-11-19 Revised:1995-04-01 Online:1995-08-24 Published:1995-08-24

Abstract

Abstract: The title compound has been prepared by dissolving Na₂WO₄·2H₂O in acetic anhydride-DMF-HCl.The blue crystals were obtained upon adding tetrabutylammonium bromide and being recrystallized from DMSO. The results of elementary analysis,IR,CV,ESR,UV-Vis,and single crystal X-ray diffraction indicate that the title compound is aα-Dawson type,one electron reduced "heteropoly-blue" with a central distorted ClO₄tetrahedron.

Key words: Photoreduction, Mixed valence, Octadecatungstodiperchlorate, Synthesis, Characterization

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YUE Bin, ZHU Si-San, XIE Gao-Yang, GU Yi-Dong, LIU Jie, CHEN Min-Qin. Synthesis and Characterization of α-Dawson Mixed -Valence Tris(tetrabutylammonium) Octadecatungstodiperchlorate[J]. Chem. J. Chinese Universities, 1995, 16(8): 1168.

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Synthesis and Characterization of α-Dawson Mixed -Valence Tris(tetrabutylammonium) Octadecatungstodiperchlorate

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