Self-assembly of reduced molybdophosphate-based supramolecular architectures and the study of their magnetic properties |
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| Authors: | Xin-Xin Xu Xia Zhang Xiao-Xia Liu Ting Sun Yu-Hong Wang |
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| Institution: | (1) Department of Chemistry, College of Science, Northeast University, 110004 Shenyang, People’s Republic of China |
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| Abstract: | Reduced molybdophosphate-based supramolecular compounds, such as (4,4′-H2bipy)Co(H2O)2]2Co(H2PO4)2(HPO4)4(PO4)2(MoO2)12(OH)6] · 17H2O (1), Co(2,2′-bipy)2(H2O)]4Co(H2O)2]Co(HPO4)6(PO4)2(MoO2)12(OH)6] · 2H2O (2), and Co(2,2′-bipy)2(H2O)]4Co(H2PO4)(H2O)2]2Co(HPO4)6(PO4)2(MoO2)12(OH)6] · 8H2O (3) (4,4′-bipy=4,4′-bipyridine, 2,2′-bipy=2,2′-bipyridine), have been synthesized under hydrothermal conditions and characterized.
Compound 1 exhibits a three-dimensional supramolecular twofold interpenetrating architecture built up of one-dimensional P4Mo6]-based infinite covalent chains and free 4,4′-bipy molecules. Compound 2 also shows a three-dimensional supramolecular network constructed from one-dimensional covalent P4Mo6]-based chains. Unlike compounds 1 and 2, compound 3 exhibits an interesting three-dimensional ‘honeycomb-like’ supramolecular network constructed by the stacking of Co(2,2′-bipy)2(H2O)] units with one-dimensional channels, in which the P4Mo6]-based polyoxometalate chains are located. The magnetic properties of compounds 2 and 3 are reported.
Electronic supplementary material The online version of this article (doi:) contains supplementary material, which is available to authorized users. |
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