Diaquabis[2-(2-hydroxyethyl)pyridine-κ2N,O]cobalt(II) dichloride

Ouahida Zeghouan,Fatiha Guenifa,Lamia Bendjeddou,Nasreddine Hadjadj,Hocine Merazig

doi:10.1107/s1600536813018321

Abstract

In the title salt, [Co(C7H9NO)2(H2O)2]Cl2, the CoII cation, located on an inversion center, is N,O-chelated by two hydroxyethylpyridine ligands and coordinated by two water molecules in a distorted O4N2 octahedral geometry. In the crystal, the Cl− anions link with the complex cations via O—H⋯Cl hydrogen bonds, forming a three-dimensional supramolecular architecture. π–π stacking is observed between the pyridine rings of adjacent molecules [centroid–centroid distance = 3.5810 (11) Å].

Highlights

Unité de Recherche Chimie de l’Environnement et Moléculaire Structurale ’CHEMS’, Faculté des Sciences Exactes, Campus Chaabet Ersas, Université Constantine I, 25000 Constantine, Algeria
H atoms treated by a mixture of independent and constrained refinement max = 0.21 e Å3
The Cl anions link with the complex cations via O—

Summary

Bruker APEXII diffractometer

H atoms treated by a mixture of independent and constrained refinement max = 0.21 e Å3. Unité de Recherche Chimie de l’Environnement et Moléculaire Structurale ’CHEMS’, Faculté des Sciences Exactes, Campus Chaabet Ersas, Université Constantine I, 25000 Constantine, Algeria. R factor = 0.020; wR factor = 0.056; data-to-parameter ratio = 13.3. In the title salt, [Co(C7H9NO)2(H2O)2]Cl2, the CoII cation, located on an inversion center, is N,O-chelated by two hydroxyethylpyridine ligands and coordinated by two water molecules in a distorted O4N2 octahedral geometry. The Cl anions link with the complex cations via O—. H Cl hydrogen bonds, forming a three-dimensional supramolecular architecture. – stacking is observed between the pyridine rings of adjacent molecules [centroid–centroid distance = 3.5810 (11) Å]

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