Tetraaqua(2,2′-bipyridine-κ2 N,N′)magnesium(II) bis(4-bromobenzoate)
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چکیده
In the complex cation of the title compound, [Mg(C(10)H(8)N(2))(H(2)O)(4)](C(7)H(4)BrO(2))(2), the Mg(II) atom is coordinated by two N atoms from a 2,2'-bipyridine ligand and four water O atoms in a distorted MgN(2)O(4) octa-hedral geometry. The cation is located on a special position on a twofold rotation axis which passes through the Mg(II) atom and the centroid of the 2,2'-bipyridine ligand. The 2,2'-bipyridine ligands exhibit nearly perfect coplanarity (r.m.s. deviation = 0.0035 Å) . In the crystal, O-H⋯O and C-H⋯O, C-H⋯Br hydrogen bonds and π-π stacking inter-actions [mean inter-planar distance of 3.475 (6) Å between adjacent 2,2'-bipyridine ligands] link the cations and anions into a three-dimensional supra-molecular network. One Br atom is disordered over two sites with occupancy factors of 0.55 and 0.45.
منابع مشابه
(2,2′-Bipyridine-κ2 N,N′)bis(4-methylbenzoato-κ2 O,O′)zinc(II)
In the title compound, [Zn(C(8)H(7)O(2))(2)(C(10)H(8)N(2))], the Zn(II) atom is coordinated by four O atoms from two chelating 4-methyl-benzoate ligands and two N atoms from a 2,2'-bipyridine ligand, displaying a disordered octahedral geometry. C-H⋯O hydrogen bonds connect the complex mol-ecules into a three-dimensional supra-molecular structure.
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