Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 69, Issue 2, Pages 295-302Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2015.1110239
Keywords
Cu(II) coordination polymer; 5-(pyridin-4-yl)isophthalic acid ligand; crystal structure; magnetic properties
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Funding
- National Nature Science Foundation of China [21001061]
- Shandong Provincial Natural Science Foundation, China [ZR2014BQ034]
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A new copper(II) coordination polymer, [Cu(PIA)2H(2)O](n) (1) [H(2)PIA=5-(pyridin-4-yl)isophthalic acid], has been synthesized and characterized by elemental analysis, IR spectroscopy, TGA, powder, and single-crystal X-ray diffraction. Structural analysis shows that each PIA(2-) in 1 bridges three Cu(II) ions, and likewise each Cu(II) ion connects to three PIA(2-) ligands, giving a 3-D framework with utp topology and left-/right-handed helical channels. Interestingly, two such identical frameworks interlock with each other to generate a twofold interpenetrated structure that is stabilized by hydrogen bonding and - interactions. In addition, the thermal stability and the magnetic properties of 1 have been investigated. [GRAPHICS]
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