Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co2Cl8V10O18(H2O)]Cl2·6H2O with Novel Three-dimensional Framework

Chemical Research in Chinese Universities ›› 2003, Vol. 19 ›› Issue (2): 135-139.

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Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co₂Cl₈V₁₀O₁₈(H₂O)]Cl₂·6H₂O with Novel Three-dimensional Framework

WU Ping-song, XU Lin, WANG En-bo, HU Chang-wen

Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China

Received:2001-07-14 Online:2003-04-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China(No.20171010).

Abstract

Abstract: Decavanadium oxide [Co₂C_l8V₁₀O_l8(H₂O)]Cl₂·6H₂O was synthesized hydrothermally with NH₄VO₃, Na₂MoO₄·2H₂O, H₃PO₄(85%), CoCl₂·6H₂O and hexamethylenetetraamine. The X-ray diffraction analysis showed that [Co₂C_l8V₁₀O_l8(H₂O)]Cl₂·6H₂O crystallized in a monoclinic crystal system, the space group was C2/m with cell parameters a=1.6065(3) nm, b=2.2699(5) nm, c=1.3897(3) nm, β= 125.29(3)°, V=4.1363(14) nm³, Z=2 and the final R=0.06, wR=0.1926. Its crystal structure is a 3-D open framework constructed by VOx polyhedra and CoCl₄ tetrahedra with channels along the crystallographic axes a, b, and c.

Key words: Hydrothermal synthesis, Polyoxometalate, Crystal structure

WU Ping-song, XU Lin, WANG En-bo, HU Chang-wen . Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co₂Cl₈V₁₀O₁₈(H₂O)]Cl₂·6H₂O with Novel Three-dimensional Framework[J]. Chemical Research in Chinese Universities, 2003, 19(2): 135-139.

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Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co₂Cl₈V₁₀O₁₈(H₂O)]Cl₂·6H₂O with Novel Three-dimensional Framework

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