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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 8
BKCSDE 34(8)
August 20, 2013 

Synthesis, Structures and Properties of Two Metal-organic Frameworks Derived from 3-Nitro-1,2-benzenedicarboxylic Acid
Wen-Jia Xu, Ling-Yu Zhang, Jin-Niu Tang, Dai-Yin Wang, Gang-Hong Pan, Yu Feng*
X-ray crystal diffraction, 3-Nitro-1,2-benzenedicarboxylic acid, Two-dimensional network polymer
Two metal-organic frameworks based on the connectivity co-effect between rigid benzenedicarboxylic acid and bridging ligand have been synthesized [Zn2(3-NO2-bdc)2(4,4'-bpy)2H2O]n (1), [Co(3-NO2-bdc)(4,4'- bpy)H2O]n (2) (where 3-NO2-bdcH2 = 3-nitro-1,2-benzenedicarboxylic acid, 4,4'-bpy = 4,4'-bipyridine). The two novel complexes were characterized by IR spectrum, elemental analysis, fluorescent properties, thermogravimetric analysis, single-crystal X-ray diffraction and powder X-ray diffraction (PXRD). X-ray structure analysis reveals that 1 and 2 are two-dimensional (2D) network structures. Complex 1 and complex 2 belong to triclinic crystal with P-1 space group. The luminescence measurements reveal that two complexes exhibit good fluorescent emissions in the solid state at room temperature. Also, thermal decomposition process and powder X-ray diffraction of complexes were investigated.
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