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Crystal and molecular structure of the five-co-ordinate complex dibromo-[6,6′-dimethyldi-(2-pyridylmethyl)amine-NNN]-nickel(II)
Abstract
The structure of the high-spin five-co-ordinate complex dibromo-[6,6′-dimethyl-di-(2-pyridylmethyl)amine-NNN]-nickel(II) has been determined by three-dimensional single-crystal X-ray analysis. The compound is monoclinic, with a= 11·229 ± 0·004, b= 16·187 ± 0·005, c= 8·740 ± 0·002 Å, β= 92·67°± 0·02°, and Z= 4. By refinement in P21/n the complex is shown to consist of discrete five-co-ordinate monomers, the atomic configuration around the metal ion being largely dictated by the steric requirements of the tridentate ligand. The mean Ni–Br distance is 2·48 Å, and the mean Ni–N distance is 2·03 Å. There is no evidence of structural disorder.
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