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Preparation and crystal structure of azido bridged one-dimensional polymeric cadmium(II) complex, [Cd(N3)2(2-ethylimidazole)2]  

Suh, Seung Wook (Department of Chemistry, Konyang University)
Kim, Inn Hoe (Department of Chemistry, Konyang University)
Kim, Chong-Hyeak (Chemical Analysis Laboratory, Korea Research Institute of Chemical Technology)
Publication Information
Analytical Science and Technology / v.18, no.5, 2005 , pp. 391-395 More about this Journal
Abstract
The title complex, $[Cd(N_3)_2(2-ethylimidazole)_2]$, I, has been prepared and characterized by X-ray single crystallography. The complex I crystallizes in the monoclinic system, Cc space group with a = 16.200(3), b = 12.926(3), $c=7.007(1){\AA}$, ${\beta}=102.29(3)^{\circ}$, $V=1433.7(5){\AA}^3$, Z = 4, $R_1=0.0239$ and ${\omega}R_2=0.0604$ for 1874 independent reflections. Cd(II) atom has a slightly distorted octahedral coordination geometry, with four end-on (${\mu}-1$,1) bridging azido ligands and two 2-ethylimidazole ligands bonding through nitrogen atom. The central cadmium(II) atoms are run in parallel to the c-axis and are doubly bridged with neighboring cadmium(II) atoms by the end-on (${\mu}-1$,1) bridging azido ligands. Thus, this complex has a one-dimensional zigzag chain structure in which the 2-ethylimidazole is in the cis conformation.
Keywords
cadmium complex; azide; 2-ethylimidazole; crystal structure;
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