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The structure of hexaaquanickel(II) chlorate.

J C Gallucci¹, R E Gerkin

¹Department of Chemistry, Ohio State University, Columbus 43210.

Acta Crystallographica. Section C, Crystal Structure Communications

|March 15, 1990

Summary

This study details the crystal structure of hexaaquanickel(II) chlorate, revealing octahedral coordination around the nickel ion and analyzing hydrogen bonding interactions between water molecules and chlorate groups.

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Area of Science:

Inorganic Chemistry
Crystallography
Materials Science

Background:

Hexaaquanickel(II) chlorate, [Ni(H2O)6]-(ClO3)2, is a coordination compound with potential applications in materials science.
Understanding its crystal structure is crucial for predicting its physical and chemical properties.

Purpose of the Study:

To determine the detailed crystal structure of hexaaquanickel(II) chlorate.
To analyze the coordination environment of the nickel ion and the geometry of the chlorate ion.
To investigate hydrogen bonding within the crystal lattice.

Main Methods:

Single-crystal X-ray diffraction was employed to collect diffraction data.
The crystal structure was solved and refined using standard crystallographic techniques.
Analysis of bond lengths, bond angles, and atomic positions provided structural insights.

Main Results:

The compound crystallizes in a cubic system with space group Pa3-.
Nickel(II) ions are octahedrally coordinated by six water molecules at a distance of 2.054 (1) A.
The chlorate ion exhibits a Cl-O bond length of 1.487 (1) A and an O-Cl-O angle of 106.45 (6) degrees.
Hydrogen bonding was observed between the water ligands and the chlorate anions.

Conclusions:

The crystal structure of hexaaquanickel(II) chlorate has been elucidated.
The coordination geometry and hydrogen bonding network provide insights into the compound's stability and reactivity.
Further studies could explore the impact of these structural features on material properties.

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