Acta Cryst. (2007). E63, m2405  [ doi:10.1107/S1600536807040706 ]

Diaqua(benzoato-²O,O')(2,9-dimethyl-1,10-phenanthroline-²N,N')nickel(II) nitrate dihydrate

X.-P. Xuan, P.-Z. Zhao and Q.-H. Tang

Abstract: The title compound, [Ni(C₇H₅O₂)(C₁₄H₁₂N₂)(H₂O)₂]NO₃·2H₂O, consists of one Ni^II complex cation, two solvent water molecules and one non-coordinated nitrate anion. The Ni^II ion has a slightly distorted octahedral coordination geometry, bonded to two N atoms from one 2,9-dimethyl-1,10-phenanthroline (dmphen) ligand, two O atoms from one benzoate anion and two water molecules. Both the cation and anion lie on a twofold rotation axis. O-HO hydrogen bonds involving the water molecules as donors and - stacking interactions between the dmphen ligands of symmetry-related cations, with a distance between their ring planes of 3.2197 Å, seem to determine the crystal packing.

Online 22 August 2007

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