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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 5
BKCSDE 30(5)
May 20, 2009 

A Two-dimensional Supramolecular Network Built through Unique π-π Stacking: Synthesis and Characterization of [Cu(phen)2(μ-IDA)Cu(phen)·(NO3)](NO3)·4(H2O)
Jian Guo Lin, Ling Qiu*, Yan Yan Xu
Supramolecular network, Crystal structure, π-π Interaction, Quantum chemical calculation, Magnetism
A novel supramolecular network containing binuclear copper unit [Cu(phen)2(μ-IDA)Cu(phen)·(NO3)](NO3)· 4(H2O) (1) was synthesized through the self-assembly of iminodiacetic acid (H2IDA) and 1,10-phenanthroline (phen) in the condition of pH = 6. It has been characterized by the infrared (IR) spectroscopy, elemental analysis, single crystal X-ray diffraction, and thermogravimetric analysis (TGA). 1 shows a 2-D supramolecular structure assembled through strong and unique π-π packing interactions. Density functional theory (DFT) calculations show that theoretical optimized structures can well reproduce the experimental structure. The TGA and powder X-ray diffraction (PXRD) curves indicate that the complex 1 can maintain the structural integrity even at the loss of free water molecules. The magnetic property is also reported in this paper.
1021 - 1025
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