AlFO

Aluminum oxyfluoride is an inorganic compound that combines aluminum, fluorine, and oxygen. It is primarily studied for its potential roles in advanced materials science and specialized chemical processing applications.

Crystal structure of AlFO (orthorhombic, Pnma (No. 62))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for AlFO, aggregated across 3 databases.

Band Gap

0.38–5.26 eV
Range across DFT structures

Energy Above Hull

0.022 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
1 DFT source

Structures

6
3 databases, 3 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of AlFO. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

1
materials_project

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for AlFO, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pnma (No. 62)orthorhombic5.260.0223-7.1363.20
R3m (No. 160)trigonal0.381.0718-4.6152.20
2.05
2.05
1.16
No. 0unknown0.39
Uses

Applications

Where AlFO is used.

Materials science researchCatalysis studiesSurface coating development
Reference

Frequently Asked Questions

Common questions about AlFO, answered from cross-validated data.

What is AlFO?

Aluminum oxyfluoride is an inorganic compound that combines aluminum, fluorine, and oxygen. It is primarily studied for its potential roles in advanced materials science and specialized chemical processing applications.

More questions
What is AlFO used for?
AlFO is used in materials science research, catalysis studies, and surface coating development.
What is the band gap of AlFO?
AlFO has a DFT-computed band gap of 0.38–5.26 eV across 6 reported structures.
Is AlFO a metal, semiconductor, or insulator?
With a wide band gap up to 5.26 eV it is an insulator / wide-band-gap material.
Is AlFO thermodynamically stable?
AlFO has a lowest energy above hull of 0.022 eV/atom (near hull (likely stable)).
What is the crystal structure of AlFO?
The lowest-energy reported polymorph of AlFO is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of AlFO?
The computed density of the ground-state structure of AlFO is 3.20 g/cm³.
How many polymorphs of AlFO are known?
6 structures of AlFO are reported across 3 databases, spanning 3 distinct space groups.
What elements does AlFO contain?
AlFO contains Al, F, and O (3 elements).
Where does the data for AlFO come from?
AlFO data is cross-referenced from materials_project, omat24, cod.
Explore

Related Compounds

Other Spinel Oxide Catalysts in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
  • cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).

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