alexa A Novel Multi-helical Polymer: Pyridine-2,6-dicarboxylato Plumbum(II) Complex [Pb(dipic)]n
e-ISSN: 2319-9849

Research & Reviews: Journal of Chemistry
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Research Article

A Novel Multi-helical Polymer: Pyridine-2,6-dicarboxylato Plumbum(II) Complex [Pb(dipic)]n

Yong-qi Qin*, Jin-hui Xue, Zi-feng zhang and Yuan-biao Qiao

Institute of Applied Chemistry, Lvliang University, Lvliang, Shanxi, PR China

*Corresponding Author:
Yong-qi Qin
Institute of Applied Chemistry, Lvliang University
Lvliang, Shanxi 033001, PR China
Tel: 0086-0358-2274301
E-mail:
[email protected]

Received date: 20/11/2015; Accepted date: 14/12/2015; Published date: 16/12/2015

 

Abstract

Self-assembly of pyridine-2, 6-dicarboxylato dianion (dipic)2- and plumbous nitrate affords a coordination polymer of [Pb(dipic)]n (1). Its structure was determined by elemental analyzer, IR spectroscopy and single crystal X-ray diffraction, and further characterized by thermal gravity (TG) analysis. Interestingly, this polymer exhibits a novel 2D framework which contains three-type of helical chains with the highest-stranded number of three in the entangled system. The reticular 2D framework is connected through oxo-bridges. When the strong hydrogen bonds in the structure are taken into account, Pb(dipic)]n forms a 3D layer structure. The hydrogen bonds between these helical chains play important roles in constituting a 3-dimension layer structure from its 2-dimension network.

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