Hydrothermal Synthesis, Crystal Structure and Electrochemical Property of a Ribbon‐like Coordination Polymer based on Octamolybdate Anions

A new coordination polymer based on octamolybdate anions and copper(II)‐mebpa complex fragments, namely, [{Cu(mebpa)}2β‐Mo8O26] (1), where mebpa is bis(2‐pyridylmethyl)methylamine, has been synthesized under the hydrothermal reaction and characterized by single‐crystal X‐ray diffraction, IR, thermog...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2008-11, Vol.634 (14), p.2639-2642
Main Authors: Zhao, Yi, You, Wansheng, Dai, Limei, Zhang, Lancui, Song, Dawei, Dalian, Qinghua Du
Format: Article
Language:English
Subjects:
Coordination polymers
Copper
Hydrothermal synthesis
Octamolybdate
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Summary:A new coordination polymer based on octamolybdate anions and copper(II)‐mebpa complex fragments, namely, [{Cu(mebpa)}2β‐Mo8O26] (1), where mebpa is bis(2‐pyridylmethyl)methylamine, has been synthesized under the hydrothermal reaction and characterized by single‐crystal X‐ray diffraction, IR, thermogravimetric analysis and cyclic voltammetry. 1 is formed from β‐[Mo8O26]4− anions with {Cu(mebpa)}2+ fragments covalently attached via terminal oxygen atoms into a ribbon‐like chain. The β‐[Mo8O26]4− anions act as sexadentate ligands and the CuII ions adopt the common Jahn‐Teller distorted “4+2” coordination. Owing to the weak C‐H···O hydrogen bonding interactions, two crystallographically independent {CuN3O3} octahedra are located in the A and B layers respectively. The chemically modified carbon paste electrode (MCPE) displays well‐defined cyclic voltammograms with three two‐electron reversible redox couples in acidic aqueous solution and electrocatalytic activities toward the reduction of nitrite.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200800276