trans-Bis(N,N-diethylethylenediamine)nickel(II) dibromide [Ni(C6H16N2)2]Br2
2011
Structure of trans-Bis(N,N-diethylethylenediamine)nickel(II) dibromide
publication
Evidence: high
Author Information
Author(s): Ferrara Skylar J., Mague Joel T., Donahue James P.
Primary Institution: Tulane University
Hypothesis
The study investigates the crystal structure of [Ni(Et2en)2]Br2 and its coordination environment.
Conclusion
The compound exhibits square-planar coordination around the NiII atom, contrasting with previous assumptions of octahedral coordination.
Supporting Evidence
- The Ni—N bond lengths in [Ni(Et2en)2]Br2 are significantly shorter than those in related compounds with octahedral coordination.
- The study reveals a one-dimensional ribbon of hydrogen bonds formed by Br- anions and [Ni(Et2en)2]2+ cations.
- Each [Ni(Et2en)2]2+ cation forms four hydrogen bonds with bromide ions.
Takeaway
The researchers looked at a nickel compound and found it has a special shape that helps it bond with other atoms in a unique way.
Methodology
The crystal structure was determined using X-ray diffraction techniques.
Limitations
The study does not explore the bonding interactions of Br- ions in solution.
Digital Object Identifier (DOI)
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