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The interactions between the dimers of N, N-1, 2-phenylene-bis(2-hydroxy-1-naphtylideneiminato-κ2N, N-κ2O, O)-nickel(II)

In the title compound, [Ni(C_28H_18N_2O_2)], the Ni^2+ centre has a square-planar coordination geometry in which the Schiff base ligand acts as a cis-O, N, N, O-tetradentate ligand. The crystal structure is built up of centrosymmetric dimer units stacked into chains along the [010]direction. Adjacent chains associate via C—H---O hydrogen bonding only, leading to a two-dimensional sheet-like structure consisting of layers parallel to (101). The cofacial dimeric complex contains an Ni---Ni contact of 3.291 (4) Å.

Schiff base dimmer complexes; X-ray analysis; hydrogen bond; π-π interactions

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