Issue 12, 2003
From the journal:

Dalton Transactions

A new polymeric chain formed by paradodecatungstate clusters and [Cu(en)2]2+ complexes: hydrothermal synthesis and characterization of [Cu(en)2]3[{Cu(en)2}2(H2W12O42)]·12H2O†

Bi-Zhou Lin,*a   Yan-Min Chenab  and  Pei-De Liua  

* Corresponding authors

a Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou 362011, P. R. China
E-mail: bzlin@hqu.edu.cn

b Faculty of Chemistry, Quanzhou Normal College, Quanzhou 362000, P. R. China

Abstract

The hydrothermal reaction of the mixture of K2WO4·2H2O, CuSO4·5H2O, ethylenediamine and H2O at 170 °C for 72 h yields purple needle-like crystals of [Cu(en)2]3[{Cu(en)2}2(H2W12O42)]·12H2O. Single crystal X-ray diffraction reveals that the structure consists of one-dimensional [{Cu(en)2}2(H2W12O42)]n6n− anions with discrete [Cu(en)2]2+ complex cations and crystallization water molecules occupying the interchain positions. In the polymeric chain each paradodecatungstate [H2W12O42]10− cluster is connected to two neighbors through four μ2-[Cu(en)2]2+ complex groups. The magnetic measurements show that the compound possesses well-separated Cu2+ centers. A probe reaction of the oxidation of cyclohexane with 760 Torr of O2 indicates that the compound has good catalytic activity for the reaction.

Graphical abstract: A new polymeric chain formed by paradodecatungstate clusters and [Cu(en)2]2+ complexes: hydrothermal synthesis and characterization of [Cu(en)2]3[{Cu(en)2}2(H2W12O42)]·12H2O

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Article information

DOI
https://doi.org/10.1039/B301917A
Article type
Paper
Submitted
18 Feb 2003
Accepted
15 May 2003
First published
27 May 2003

Dalton Trans., 2003, 2474-2477

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A new polymeric chain formed by paradodecatungstate clusters and [Cu(en)2]2+ complexes: hydrothermal synthesis and characterization of [Cu(en)2]3[{Cu(en)2}2(H2W12O42)]·12H2O

B. Lin, Y. Chen and P. Liu, Dalton Trans., 2003, 2474 DOI: 10.1039/B301917A

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