Metal-Organic Papers [4-Bromo-N-(pyridin-2-yl­methyl­idene)aniline-κ2 N,N′]bis­(1,1,1,5,5,5-hexa­fluoro­pentane-2,4-dionato-κ2 O,O′)nickel(II) [Ni(C5HF6O2)2(C12H9BrN2)]
2011

Structure of a Nickel Complex with a Schiff Base Ligand

publication Evidence: moderate

Author Information

Author(s): Harding Phimphaka, Harding David J., Soponrat Nitisastr, Adams Harry

Primary Institution: Molecular Technology Research Unit, Department of Chemistry, Walailak University

Hypothesis

The study investigates the synthesis and structural properties of a nickel complex with a specific ligand.

Conclusion

The nickel complex exhibits a pseudo-octahedral coordination geometry and forms a hydrogen-bonded ladder structure.

Supporting Evidence

  • The nickel metal center is pseudo-octahedral with a cis-arrangement enforced by the chelating ligand.
  • The structure packs through C—H⋯Br interactions, forming a hydrogen-bonded ladder.
  • Strong hydrogen-bonding interactions occur between the oxygen atoms of the ligands and hydrogen atoms on the pyridine ring.

Takeaway

Scientists made a special nickel compound and found that it has a unique shape and sticks together in a special way.

Methodology

The compound was synthesized from [Ni(hfac)2(H2O)2] and ppaBr, followed by crystallization from a solvent mixture.

Digital Object Identifier (DOI)

10.1107/S1600536811005599

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