Hydrothermal Synthesis and Structure of [{Mo8V4O36(VO4)(VO)2}n]7n- Bi-capped α-Keggin Fragments Linked to a Chain

Chemical Research in Chinese Universities ›› 2001, Vol. 17 ›› Issue (4): 347-351.

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Hydrothermal Synthesis and Structure of [{Mo₈V₄O₃₆(VO₄)(VO)₂}_n]^7n- Bi-capped α-Keggin Fragments Linked to a Chain

LUAN Guo-you¹, HAN Zheng-bo¹, WANG En-bo¹, LU Ying¹, LI Yang-guang¹, HU Chang-wen¹, HU Ning-hai², JIA Heng-qing²

1. Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China;
2. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Received:2001-06-06 Online:2001-12-24 Published:2011-08-04
Supported by:
Supported by the National Natural Science Foundation of China.

Abstract

Abstract: The title compound, (H₂en)₃H₃O {Mo₈V₄O₃₆ (VO₄) (VO)₂}·4H₂O, was hydrothermally synthesized and structurally characterized by means of IR, ESR spectrum and single crystal X-ray diffraction.It crystallized in a monoclinic system with space group P2₁/c, a= 1.980 4(4)nm, b＝2.063 4(4) nm, c=1.192 0(2) nm, β=94.76(3)°and deep black colour.The compound contains V-centered bi-capped a-Keggin fragments {Mo₈V₇O₄₂} that are linked together by edge-shared units V^ⅣO₅ via V-O-V bonds, forming a chain.

Key words: Hydrothermal synthesis, Bi-capped a-Keggin compound, Monoclinic system, Polyanion

LUAN Guo-you, HAN Zheng-bo, WANG En-bo, LU Ying, LI Yang-guang, HU Chang-wen, HU Ning-hai, JIA Heng-qing. Hydrothermal Synthesis and Structure of [{Mo₈V₄O₃₆(VO₄)(VO)₂}_n]^7n- Bi-capped α-Keggin Fragments Linked to a Chain[J]. Chemical Research in Chinese Universities, 2001, 17(4): 347-351.

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Hydrothermal Synthesis and Structure of [{Mo₈V₄O₃₆(VO₄)(VO)₂}_n]^7n- Bi-capped α-Keggin Fragments Linked to a Chain

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