Structural characterization of a new cobalt(II) complex of 1-benzyl-5-methyl-1H-imidazole


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The preparation of a cobalt(II) chloride complex with a N-donor ligand 1-benzyl-5-methyl-1H-imidazole of formula [CoCl2(1-benzyl-5-methyl-1H-imidazole)2] is described. The isolated complex was characterized by UV, IR spectroscopy and crystallographic studies. Single crystal X-ray diffraction analysis of the complex reveals its monomeric tetra-coordinated nature. The coordination polyhedron around the cobalt center can be described as a quasi-regular tetrahedron. The Co–N distances for this compound are 2.0111(17) Å and 2.0118(17) Å, while the Co–Cl distances are 2.2582(7) Å and 2.2549(7) Å. The crystal packing can be described as layers parallel to (101) plane alternating along the b axis, and it is stabilized by π–π stacking between the imidazole and phenyl rings. The shortest centroid–centroid distance is 3.6002(14) Å.

作者简介

M. Bouchouit

Unité de Recherche de Chimie de l′Environnement et Moléculaire Structurale

Email: bouraiou.abdelmalek@yahoo.fr
阿尔及利亚, Constantine, 25000

A. Bouraiou

Unité de Recherche de Chimie de l′Environnement et Moléculaire Structurale

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Email: bouraiou.abdelmalek@yahoo.fr
阿尔及利亚, Constantine, 25000

S. Bouacida

Unité de Recherche de Chimie de l′Environnement et Moléculaire Structurale; Département Sciences de la Matière

Email: bouraiou.abdelmalek@yahoo.fr
阿尔及利亚, Constantine, 25000; Oum El Bouaghi, 04000

A. Belfaitah

Laboratoire des Produits Naturels d′Origine Végétale et de Synthèse Organique

Email: bouraiou.abdelmalek@yahoo.fr
阿尔及利亚, Constantine, 25000

H. Merazig

Unité de Recherche de Chimie de l′Environnement et Moléculaire Structurale

Email: bouraiou.abdelmalek@yahoo.fr
阿尔及利亚, Constantine, 25000

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