Na2PHO3
disodium phosphite · disodium hydrogen phosphite
Na2PHO3 is a stable, insulating inorganic salt containing sodium, phosphorus, hydrogen, and oxygen.
About disodium phosphite
Na2PHO3 is a thermodynamically stable inorganic compound that exhibits wide-gap insulating electronic characteristics. As a member of the phosphite family, it maintains structural integrity under standard conditions, making it a reliable subject for chemical research and materials development. Its position on the convex hull underscores its inherent stability, which is essential for its role in specialized chemical synthesis and laboratory applications. The compound has been extensively cataloged across multiple databases, reflecting its well-defined structural profile and importance in inorganic chemistry.
Key Properties
Cross-validated computational properties for disodium phosphite, aggregated across 4 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 disodium phosphite is used.
Frequently Asked Questions
Common questions about disodium phosphite, answered from cross-validated data.
What is Na2PHO3?
Na2PHO3 is a stable, insulating inorganic salt containing sodium, phosphorus, hydrogen, and oxygen.
What is Na2PHO3 used for?
What is the band gap of Na2PHO3?
Is Na2PHO3 a metal, semiconductor, or insulator?
Is Na2PHO3 thermodynamically stable?
How many polymorphs of Na2PHO3 are known?
What elements does Na2PHO3 contain?
Where does the data for Na2PHO3 come from?
How It Compares
As a distinct inorganic phosphite, Na2PHO3 serves as a foundational example of stable phosphorus-based salts. Without direct structural siblings in this specific class, it stands as a reference point for understanding the behavior of alkali metal phosphite frameworks and their insulating properties in solid-state chemistry.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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