CsHSO4
Cesium hydrogen sulfate · CHS
Cesium hydrogen sulfate is a stable, insulating crystalline compound primarily studied for its proton-conducting properties in solid-state applications.

About Cesium hydrogen sulfate
Cesium hydrogen sulfate is a crystalline inorganic compound that functions as a wide-band-gap insulator. Its structural integrity is underscored by its status as a thermodynamically stable phase, positioning it as a reliable subject for fundamental materials research.
Due to its unique proton-conducting behavior at elevated temperatures, this compound is highly significant in the study of solid-state electrolytes. It serves as a foundational material for investigating ion transport mechanisms in hydrogen-bonded systems.
Key Properties
Cross-validated computational properties for Cesium hydrogen sulfate, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where Cesium hydrogen sulfate is used.
Frequently Asked Questions
Common questions about Cesium hydrogen sulfate, answered from cross-validated data.
What is CsHSO4?
Cesium hydrogen sulfate is a stable, insulating crystalline compound primarily studied for its proton-conducting properties in solid-state applications.
What is CsHSO4 used for?
What is the band gap of CsHSO4?
Is CsHSO4 a metal, semiconductor, or insulator?
Is CsHSO4 thermodynamically stable?
How many polymorphs of CsHSO4 are known?
What elements does CsHSO4 contain?
Where does the data for CsHSO4 come from?
How It Compares
As a standalone representative of its class within this dataset, cesium hydrogen sulfate serves as a primary reference point for understanding proton-conducting sulfate systems. Its stability and insulating nature provide a baseline for evaluating the performance and structural evolution of similar hydrogen-bearing inorganic compounds.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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