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Journal of Coordination Chemistry Volume 62, 2009 - Issue 16
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Original Articles

Three Ag(I) and Cu(II) complexes of 4-pyridin-4-yl-(1,3) dithiol-2-one

Gai-Yan Niu Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China
,
Qin-Yu Zhu Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China; State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, PR ChinaCorrespondence[email protected]
,
Yong Zhang Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China
,
Zhe-Jun Lu Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China
,
Jin-Po Wang Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China
&
Jie Dai Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215123, PR China; State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, PR ChinaCorrespondence[email protected]
Pages 2648-2655 | Received 29 Aug 2009, Accepted 30 Dec 2008, Published online: 24 May 2010
 
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Abstract

Single crystals of Ag(I) and Cu(II) complexes with 4-pyridin-4-yl-(1,3) dithiol-2-one (PYDO), [Ag(PYDO)2]ClO4, [Ag(PYDO)2(NO3)], and [Cu(PYDO)2(NO3)2] have been prepared and characterized. PYDO displays excellent coordination to Cu(II) and Ag(I). The 1,3-dithiol five-member ring is an electron donor that enhances the coordination ability of the py group. HOMO-1 σ coordination and d–π electron back-donating from metal to ligand (LUMO) are suggested based on the calculation. Weak interactions and secondary bonds from the anion to cation play an important role in the molecular assembly.

Acknowledgments

This work was supported by the National NSF (20371033), the NSF of the Education Committee of Jiangsu Province (Grant 06KJB150102) and the Doctoral Foundation of Suzhou University.

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