Crystal structure of trans-bis{4-bromo-N-[(pyridin-2-yl)methylidene]aniline-κ2 N,N′}dichloridoruthenium(II)
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چکیده
In the title complex, [RuCl2(C12H9BrN2)2] or [RuCl2(PM-BrA)2] (PM-BrA = 4-bromo-N-(2'-pyridyl-methyl-ene)aniline), the Ru(II) cation is located on a centre of inversion and is surrounded by four N atoms of two PM-BrA ligands in the equatorial plane and by two Cl atoms in a trans axial arrangement, displaying a distorted octa-hedral coordination environment. Two C atoms in the benzene ring of the PM-BrA ligand are equally disordered over two sets of sites. The benzene and pyridine rings of the PM-BrA ligand are oriented at dihedral angles of 62.1 (10) and 73.7 (11)° under consideration of the two orientations of the disordered benzene ring. In the crystal, the complex mol-ecules are connected via C-H⋯Cl hydrogen-bonding inter-actions into a layered arrangement parallel (100). C-H⋯Br hydrogen bonding and weak aromatic π-π stacking inter-actions complete a three-dimensional supra-molecular network.
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