Acta Cryst. (2008). E64, m919-m920  [ doi:10.1107/S1600536808017285 ]

-Aqua-²O:O-di--4-methylbenzoato-⁴O:O'-bis[(4-methylbenzoato-O)(1,10-phenanthroline-²N,N')nickel(II)]

W.-D. Song, J.-B. Yan and X.-M. Hao

Abstract: In the title dinuclear complex, [Ni₂(C₈H₇O₂)₄(C₁₂H₈N₂)₂(H₂O)], each Ni^II atom is six-coordinated by three carboxylate O atoms from three 4-methylbenzoate ligands, two N atoms from two 1,10-phenanthroline ligands, and one ₂-bridging aqua ligand. The dimeric complex is located on a crystallographic twofold axis and each Ni atom displays a distorted octahedral coordination geometry. The crystal structure is stabilized via intramolecular hydrogen bonding of the bridging water molecule and the uncoordinated carboxylate O atoms, and by C-HO and - stacking interactions [centroid-centroid distances between neighbouring phenanthroline ring systems and between the benzene ring of a 4-methylbenzoate unit and a phenanthroline ring system are 3.662 (2) and 3.611 (3) Å, respectively].

Online 13 June 2008

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