Synthesis, crystal structure of three novel manganese(II) complexes with 2-propyl-4,5-imidazoledicarboxylic acid
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY(2013)
Abstract
Three novel complexes {[Mn3(pimdc)2(H2O)5]center dot H2O}n (1), [Mn(H2pimdc)2(2,2-bpy)] (2), and [Mn3(Hpimdc)2(H2pimdc)2 (4,4-bpy)2(H2O)2]n (3) (where H3pimdc = 2-propyl-4,5-imida- zoledicarboxylate; bpy = 2,2/4,4-bipyridine) have been prepared and characterized by infrared spectrum, thermal analysis, and X-ray crystal diffraction. H3pimdc forms three kinds of coordination modes due to the different pH of solution. In 1, two Mn(II) centers connected through the coordinated ligands of H3pimdc to form a 3D framework. Complex 2 forms a 3D framework through hydrogen bonds and CH center dot center dot center dot interactions. In 3, 1D chains are engaged in hydrogen-bonding interactions with coordinated water O9 and carboxylate oxygens O4 and O6 forming a higher dimensional structure. Supplemental materials are available for this article. Go to the publisher's online edition of Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry to view the supplemental file.
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Key words
2-propyl-4,5-imidazoledicarboxylate acid,hydrogen bond,manganese(II) complexes,X-ray crystal diffraction
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