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Original Articles

Two inorganic chains based on the Anderson-type polyanions and transition metals

, , , , , , , & show all
Pages 3610-3619 | Received 08 Mar 2010, Accepted 16 Jul 2010, Published online: 14 Sep 2010
 

Abstract

Two new compounds based on Anderson-type polyanions, H(C6H9N3O2)2[Mn(H2O)2][Al(OH)6Mo6O18] ⋅ 6H2O (1) and (C6H10N3O2)2[Ag(H2O)2][Cr(OH)6Mo6O18] ⋅ 6H2O (2), have been synthesized in aqueous solution and characterized by elemental analyses, IR, TG, and single crystal X-ray diffraction. Both compounds show inorganic 1-D chain-like structures in which the Anderson-type polyanions are bidentate ligands chelating to two metal cations. Further, transition metal cations are in the same line with the center Al (Cr), which is unusual in 1-D inorganic chains based on Anderson-type polyanions. Free histidine molecules further link the chains into 3-D supramolecular frameworks via hydrogen interactions. Electrochemical and fluorescence quenching properties were investigated.

Acknowledgments

This study was financially supported by the National Science Foundation of China (20671016) and by the analysis and testing foundation of Northeast Normal University.

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