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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 8
BKCSDE 32(8)
August 20, 2011 

Synthesis and Crystal Structures of Di-nuclear Zinc(II) Diphenate Complexes with 1,10-Phenanthroline and 2,2'-Bipyridine  
Bon Kweon Koo
Dinuclear zinc(II) complexes, Diphenate, Crystal structure, Thermal properties
Two new Zn(II) complexes, [Zn2(dpa)2(phen)2(H2O)2]·H2O (1) (dpa = dephenate, phen = 1,10-phenanthroline) and [Zn2(dpa)2(bpy)2(H2O)2] (2) (bpy = 2,2'-bipyridine) have been synthesized and characterized by elemental analysis, infrared spectroscopy, thermogravimetric analysis, and single crystal X-ray diffraction. The X-ray analysis reveals that the structures of 1 and 2 are dinuclear zinc(II) complexes bridged by dpa dianions, respectively. The zinc ions in 1 exhibit a distorted square pyramidal environments, while the zinc ions in 2 exhibit a trigonal bipyramid geometry. In each complex, the dpa ligand is coordinated to zinc ions as a bismonodentate.
2617 - 2622
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