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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 7
BKCSDE 31(7)
July 20, 2010 

Synthesis, Structures and Photoluminescent Properties of Two Novel Zinc(II) Compounds Constructed from 5-Sulfoisophthalic Acid
Yu Lan Zhu*, Xue Ling Tang, Kui Rong Ma, Hao Chen, Feng Ma, Lian Hua Zhao
Hydrothermal synthesis, Crystal structures, Supramolecular, Photoluminescent properties
Hydrothermal reaction of zinc(II) salts with 5-sulfoisophthalic acid monosodium salt (NaO3SC6H3-1,3-(COOH)2, NaH2- SIP) and 1,10-phenanthroline (phen) led to two new compounds, [Zn(phen)3]·2H2SIP·4H2O (1) and [Zn(phen)2(H2O)2]· 2H2SIP·2H2O (2). They were characterized by element analysis, IR spectroscopy, thermalgravimetric analysis (TGA), X-ray powder diffraction (XRD), and single-crystal X-ray diffraction. Both compounds 1-2 represent the first example of Zn/phen/SIP system. The Zn (II) ion in 1 is six-coordinated by six nitrogen atoms from three phen molecules, and the H2SIP- ligands engage in the formation of hydrogen bond. The Zn(II) ion in 2 is coordinated by four nitrogen atoms from two phen molecules and two oxygen atoms from two water molecules. Moreover, both 1 and 2 are assembled into 3D supramolecular architectures by hydrogen bonds (O-H···O) and π-π interactions. Solvent water molecules occupying voids of the compounds serve as receptors or donors of the extensive O-H···O hydrogen bonds.
1881 - 1886
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