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Open Access Crystal structure of trans-bis{4-bromo-N-[(pyridin-2-yl)methylidene]aniline-κ2N,N′}dichloridoruthenium(II)

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In the title complex, [RuCl2(C12H9BrN2)2] or [RuCl2(PM-BrA)2] (PM-BrA = 4-bromo-N-(2′-pyridylmethylene)aniline), the RuII 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 octahedral 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 molecules are connected via C—H...Cl hydrogen-bonding interactions into a layered arrangement parallel (100). C—H...Br hydrogen bonding and weak aromatic π–π stacking interactions complete a three-dimensional supramolecular network.
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Document Type: Research Article

Affiliations: Department of Chemistry, Faculty of Science, Naresuan University, Muang, Phitsanulok, 65000, Thailand

Publication date: January 1, 2015

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