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Updated: Jun 29, 2026

Preparation of SNS Cobalt(II) Pincer Model Complexes of Liver Alcohol Dehydrogenase
Published on: March 19, 2020
trans-Diaquabis(nicotinamide-kappaN)bis(salicylato-kappaO)cobalt(II)
Onur Sahin1, Orhan Büyükgüngör, Dursun Ali Köse
1Department of Physics, Ondokuz Mayis University, TR-55139 Samsun, Turkey. onurs@omu.edu.tr
Abstract:
The title compound, [Co(C(7)H(5)O(3))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], forms a three-dimensional hydrogen-bonded supramolecular structure. The Co(II) ion is in an octahedral coordination environment comprising two pyridyl N atoms, two carboxylate O atoms and two O atoms from water molecules. Intermolecular N-H...O and O-H...O hydrogen bonds produce R(2)(2)(8), R(2)(2)(12) and R(2)(2)(14) rings, which lead to two-dimensional chains. An extensive three-dimensional supramolecular network of C-H...O, N-H...O and O-H...O hydrogen bonds and C-H...pi interactions is responsible for crystal structure stabilization. This study is an example of the construction of a supramolecular assembly based on hydrogen bonds in mixed-ligand metal complexes.
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