Crystal structure of [Ni(OH2)6]Cl2·(18-crown-6)2·2H2O
2024
New Crystal Structure of Nickel Complex
publication
Evidence: high
Author Information
Author(s): Brannon Jacob P., Liang Kevin, Stieber S. Chantal E.
Primary Institution: California State Polytechnic University, Pomona
Hypothesis
How does a small chloride counter-ion affect the hydrogen-bonding network in a nickel complex?
Conclusion
The study reveals that the presence of small chloride counter-ions influences the hydrogen-bonding network and the octahedral geometry of the nickel complex.
Supporting Evidence
- The crystal structure shows close to ideal octahedral geometry for the [Ni(OH2)6]2+ cation.
- Hydrogen bonding is observed between water ligands, 18-crown-6 molecules, and chloride anions.
- The study highlights the effect of counter-ion size on the supramolecular structure.
Takeaway
This research shows that tiny chloride ions can change how water molecules bond in a nickel compound, making its shape more regular.
Methodology
The crystal structure was determined using X-ray diffraction techniques.
Digital Object Identifier (DOI)
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