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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 1
BKCSDE 35(1)
January 20, 2014 

A Series of Transition-metal Coordination Complexes Assembled from 3-Nitrophthalic Acid and Thiabendazole: Synthesis, Structure and Properties
Wen-Jia Xu, Qi-Jun Xue, Peng Liang, Ling-Yu Zhang, Yan-Feng Huang, Yu Feng*
Transition-metal complexes, Coordination modes of the carboxylate groups, 3-Nitrophthalic acid, Thiabendazole
In order to explore new coordination frameworks with novel designed 3-nitrophthalic acid and the same N– donor ancillary ligand, a series of novel coordination complexes, namely, [Cd2(3-NPA)2(TBZ)2(H2O)2]·2H2O (1), [Zn2(3-NPA)2(TBZ)2] (2), [Zn2O(3-NPA)(TBZ)(H2O)]n (3), [Co(3-NPA)(TBZ)(H2O)]n (4) (3-NPAH2 = 3- nitrophthalic acid), have been hydrothermally synthesized through the reaction of 3-nitrophthalic acid with divalent transition-metal salts in the presence of N-donor ancillary coligand (TBZ = thiabendazole). As a result of various coordination modes of the versatile 3-NPAH2 and the coligand TBZ, these complexes exhibit structural diversity. X-ray structure analysis reveals that 1 and 2 are 0D molecular rings, while 3 and 4 are onedimensional (1D) infinite chain polymers. And the weak OHLO hydrogen bonds and CHLO nonclassical hydrogen bonds as well as - stacking also play important roles in affecting the final structure where complexes 1, 3 and 4 have 3D supramolecular architectures, while complex 2 has a 2D supramolecular network. Also, IR spectra, fluorescence properties and thermal decomposition process of complexes 1-4 were investigated.
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