Related Experiment Video
Updated: May 16, 2026
12:33
High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
Published on: November 15, 2013
[Not Available]
Fadhila Edhokkar1, Ahmed Hadrich, Mohsen Graia
1Laboratoire de l'État Solide, Faculté des Sciences, Université de Sfax, Tunisie.
Acta Crystallographica. Section C, Crystal Structure Communications
|December 11, 2012
Summary
Barium strontium diphosphate single crystals were synthesized and structurally characterized. Deviations from ideal stoichiometry were observed due to cation distribution across multiple crystallographic sites.
Area of Science:
- Solid-state chemistry
- Crystallography
- Materials science
Context:
- Barium and strontium diphosphates are known for their diverse structural properties.
- Understanding cation distribution is crucial for tuning material characteristics.
- Isostructural relationships provide a framework for predicting and analyzing new compounds.
Purpose:
- To synthesize single crystals of barium strontium diphosphate (BaSrP2O7).
- To elucidate the crystal structure and cation distribution within the material.
- To investigate the relationship between stoichiometry and crystallographic site occupancy.
Summary:
- Single crystals of Ba(1.01)Sr(0.99)P2O7 were prepared via solid-state reaction and found to be isostructural with related diphosphates.
- The crystal structure features diphosphate groups forming sheets with mirror planes, where cations and oxygen atoms reside.
- Barium and strontium cations occupy three distinct crystallographic sites, leading to a slight deviation from the ideal BaSrP2O7 stoichiometry.
Impact:
- Provides detailed crystallographic data for a mixed barium-strontium diphosphate system.
- Highlights the influence of cation distribution on stoichiometry in solid solutions.
- Offers insights into the structural behavior of diphosphates with potential applications in materials science.
