NpF6
neptunium hexafluoride · neptunium(VI) fluoride
Neptunium hexafluoride is a stable, semiconducting compound of neptunium and fluorine used in nuclear science and actinide separation research.
About neptunium hexafluoride
Neptunium hexafluoride is a binary inorganic compound consisting of neptunium and fluorine. As a member of the actinide halide family, it exhibits semiconducting electronic properties and maintains thermodynamic stability within its structural phase space.
This compound is primarily significant due to its role in the chemistry of transuranic elements. Its volatility and chemical reactivity make it a subject of interest in advanced nuclear fuel reprocessing and the separation of neptunium from other actinides.
Key Properties
Cross-validated computational properties for neptunium hexafluoride, 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 neptunium hexafluoride is used.
Frequently Asked Questions
Common questions about neptunium hexafluoride, answered from cross-validated data.
What is NpF6?
Neptunium hexafluoride is a stable, semiconducting compound of neptunium and fluorine used in nuclear science and actinide separation research.
What is NpF6 used for?
What is the band gap of NpF6?
Is NpF6 a metal, semiconductor, or insulator?
Is NpF6 thermodynamically stable?
How many polymorphs of NpF6 are known?
What elements does NpF6 contain?
Where does the data for NpF6 come from?
How It Compares
As a volatile actinide hexafluoride, this compound serves as a critical reference point for understanding the periodic trends in stability and reactivity among the heavy transuranic fluorides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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