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Journal of Coordination Chemistry Volume 62, 2009 - Issue 24
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Original Articles

Synthesis, structural, and magnetic properties of a supramolecular assembly constructed from radical cations and [Au(CN)2]− anions

Yue Ma Department of Chemistry, Nankai University, Tianjin, 300071, P.R. ChinaCorrespondence[email protected]
,
Na Zhou Department of Chemistry, Nankai University, Tianjin, 300071, P.R. China
,
Xiao-Ping Chen Department of Chemistry, Nankai University, Tianjin, 300071, P.R. China
,
Dong Cao Department of Chemistry, Nankai University, Tianjin, 300071, P.R. China
,
Dai-Zheng Liao Department of Chemistry, Nankai University, Tianjin, 300071, P.R. ChinaCorrespondence[email protected]
&
Shi-Ping Yan Department of Chemistry, Nankai University, Tianjin, 300071, P.R. China
Pages 3913-3920 | Received 17 Apr 2009, Accepted 02 Jul 2009, Published online: 22 Sep 2010
 
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Abstract

A supramolecular assembly of [p-MePyNN]2[Au(CN)2]2 (1) (p-MePyNN+ = 2-(4-N-methylpyridinium)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazo-1-oxyl-3-oxide radical cation) has been synthesized from the combination of p-N-methylpyridinium nitronyl nitroxide radical cations and [Au(CN)2]− anions, and characterized structurally as well as magnetically. The compound crystallizes in the orthorhombic, space group P212121 , with two independent p-MePyNN+ cations separated from each other by the dimer . The magnetic study shows that the larger steric hindrance of [Au(CN)2]− anion influences the magnetic interactions between the radical cations, with very weak antiferromagnetic interactions.

Acknowledgments

This project was supported by the National Natural Science Foundation of China No. 20631030, National Basic Research Program of China, 973 Program, 2007CB815305, and Natural Science Foundation of Tianjin 09JCYBJC05500.

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