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Tetra-aqua(2,2'-bipyridine-?N,N')magnesium(II) bis-(4-bromo-benzoate).


ABSTRACT: 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 ?-? 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.

SUBMITTER: Zhang BS 

PROVIDER: S-EPMC3009127 | biostudies-literature | 2010

REPOSITORIES: biostudies-literature

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Tetra-aqua(2,2'-bipyridine-κN,N')magnesium(II) bis-(4-bromo-benzoate).

Zhang Bi-Song BS   Wu Chang-Sheng CS   Xu Wei W  

Acta crystallographica. Section E, Structure reports online 20101023 Pt 11


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  ...[more]

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