Novel Coordination Compounds Based on 2-Methylimidazole and 2,2’-dimethylglutarate Containing Ligands: Synthesis and Characterization

Yıl 2018, Cilt: 5 Sayı: 2, 953 - 962, 01.01.2018

Pelin Köse Yaman Hakan Erer

https://doi.org/10.18596/jotcsa.420361

Cited By: 4

Öz

Two novel copper
and cadmium complexes with 2-methylimidazole (2-meim) and 2,2¢-dimethylglutarate (dmg^2-) as ligands, [Cu₂(m-dmg)₂(2-meim)₄]∙5H₂O (1) and {[Cd(m-dmg)(2-meim)₂]∙H₂O}_n (2), have
been systematically synthesized and characterized. The result in organic-inorganic crystalline solid. Their solid-state
structures have been solved with elemental analysis, IR spectroscopy, and the single-crystal
X-ray diffraction. The Cu(II) ions distorted
square planar geometry (CuO₂N₂) while Cd(II) ions
showed a distorted octahedral geometry (CdO₄N₂). Complex 1
is dimeric structure, in which Cu(II) ions were bridged by dmg ligand. These dimeric units
are extended to the 3D supramolecular structure with hydrogen bonding, C–H∙∙∙p, C–O∙∙∙p and p∙∙∙p interactions. The
complex 2 is
1D polymeric structure, where Cd(II) ions are connected by bis(bidentate) dmg
ligands to form 1D zig-zag polymeric chains which are further extended in 3D supramolecular structure through hydrogen bonding, C–H∙∙∙p and C–O∙∙∙p interactions. The thermal properties of the complexes
were investigated.

Anahtar Kelimeler

2-methylimidazole ligand;Cu(II) complex, Cd(II) complex, Coordination polymers, Supramolecular

Kaynakça

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