Transformation from [W6O19]2− to [W6O22]8− stabilized by Cu(II) complexation

Feng-Yun Cui; Kun-Lin Huang; Xiao-Yu Ma; Cong Li; Zhan-Gang Han; Yuan-Zhe Gao; Xi Liu; Ying-Nan Chi; Chang-Wen Hu

doi:10.1039/B926024B

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Transformation from [W₆O₁₉]²⁻ to [W₆O₂₂]⁸⁻ stabilized by Cu(ii) complexation†

Feng-Yun Cui,^a Kun-Lin Huang,^b Xiao-Yu Ma,^a Cong Li,^a Zhan-Gang Han,^a Yuan-Zhe Gao,^a Xi Liu,^b Ying-Nan Chi*^a and Chang-Wen Hu*^a

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* Corresponding authors

^a The Institute for Chemical Physics, and Department of Chemistry, Beijing Institute of Technology, Beijing, China
E-mail: cwhu@bit.edu.cn
Fax: ++86-10-68912631
Tel: +86-10-68912631

^b College of Chemistry, Chongqing Normal University, Chongqing, China

Abstract

A rare [W₆O₂₂]⁸⁻ fragment has been first captured in aqueous solution of [W₆O₁₉]²⁻ by using a transition-metal complex and isolated as a new compound [Cu₄(W₆O₂₂)(L1)₂(H₂O)₂]·2H₂O (1; L1 = 2-amino-4,6-bis(2-pyridyl)pyrimidine), indicating that [W₆O₁₉]²⁻ could also transform to [W₆O₂₂]⁸⁻ in aqueous solution besides the earlier proven ψ-metatungstates, [W₁₀O₃₂]⁴⁻, β-[(H₂)W₁₂O₄₀]⁶⁻ and [W₇O₂₄]⁶⁻.

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Article information

DOI: https://doi.org/10.1039/B926024B
Article type: Communication
Submitted: 10 Dec 2009
Accepted: 14 Apr 2010
First published: 26 Apr 2010

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Dalton Trans., 2010,39, 5080-5083

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Transformation from [W₆O₁₉]²⁻ to [W₆O₂₂]⁸⁻ stabilized by Cu(II) complexation

F. Cui, K. Huang, X. Ma, C. Li, Z. Han, Y. Gao, X. Liu, Y. Chi and C. Hu, Dalton Trans., 2010, 39, 5080 DOI: 10.1039/B926024B

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Dalton Transactions