Volume 57, Issue 4 pp. 370-372

trans-[N,N′-Bis­(salicyl­idene)­cyclo­hexane-1,2-diaminato]­nickel(II)–chloro­form (1/1)

First published: 23 June 2004
Citations: 4
M. Teresa Duarte, e-mail: [email protected]

Abstract

In the title complex, trans-{2,2′-[cyclo­hexane-1,2-diyl­bis­(ni­t­rilo­methyl­idyne)]­di­phenol­ato-κ4O,N,N′,O′}­nickel(II)–chloro­form (1/1), [Ni(C20H20N2O2)]·CHCl3, the Ni atom has a square-planar geometry, slightly tetrahedrally distorted. The Ni—N and Ni—O bonding distances are within the expected ranges for Ni–Schiff base derivatives. The di­imine bridge has a gauche conformation with the cyclo­hexyl ring almost coplanar with the NiN2O2 plane. The complex mol­ecules pack in dimers with an Ni⃛Ni distance of 3.59 (1) Å and form a three-dimensional structure displaying a herring-bone configuration. Channels are occupied by solvent mol­ecules, which are involved in C—H⃛O hydrogen bonds with the ligand O atoms.

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