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Structure of the Be(OH)4(2-) anion
Benjamin T R Littlefield1, Christopher Hinde, Mark T Weller
1School of Chemistry, University of Southampton, Southampton, UK SO17 1BJ.
Strontium beryllium hydroxide, Sr[Be(OH)4], was synthesized. Its structure determination provides the first definitive characterization of the discrete beryllium hydroxide anion, Be(OH)4(2-).
Area of Science:
- Inorganic Chemistry
- Crystal Chemistry
- Materials Science
Background:
- Beryllium chemistry is complex, with limited understanding of its coordination compounds.
- Discrete hydroxide anions of alkaline earth metals are rare and structurally challenging.
Purpose of the Study:
- To synthesize and characterize a novel strontium beryllium hydroxide compound.
- To definitively determine the structure of the beryllium-containing anion in this compound.
Main Methods:
- Single-crystal X-ray diffraction
- Chemical synthesis of Sr[Be(OH)4]
Main Results:
- Successful synthesis of Sr[Be(OH)4].
- Structure determination confirmed the presence of discrete Be(OH)4(2-) anions.
- The Be(OH)4(2-) anion is tetrahedrally coordinated.
Conclusions:
- This study reports the first definitive characterization of the discrete Be(OH)4(2-) anion.
- The findings advance the understanding of beryllium coordination chemistry and hydroxide anion structures.
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