SbO2F

SbO2F is a semiconducting antimony oxyfluoride that is theoretically stable and of interest for its structural diversity.

FOSb
Crystal structure of SbO2F (monoclinic, Cc (No. 9))
Ground-state structure · Materials Project
Overview

About SbO2F

SbO2F is a complex inorganic oxyfluoride that exhibits semiconducting electronic properties. Its composition, balancing antimony with oxygen and fluorine, places it in a unique category of materials that bridge the gap between traditional oxides and fluorides.

The compound is considered near-hull in terms of thermodynamic stability, suggesting it is a viable candidate for experimental synthesis. With multiple reported structural configurations across various databases, it represents a versatile subject for study in solid-state chemistry.

At a glance

Key Properties

Cross-validated computational properties for SbO2F, aggregated across 2 databases.

Band Gap

1.46 eV
Range across DFT structures · ground state: wide gap

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

Stable
2 DFT sources

Structures

14
2 databases, 5 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of SbO2F. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

0.97 / 1.00
Trust tier: medium

Hull Spread

0.009 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for SbO2F, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Cc (No. 9)monoclinic1.420.0000-1.617—
Cc (No. 9)monoclinic1.330.0087-5.9725.76
C2/c (No. 15)monoclinic1.460.0112-1.606—
C2/c (No. 15)monoclinic1.440.0184-5.9625.72
Cm (No. 8)monoclinic———7.95
P21/m (No. 11)monoclinic———4.60
Cc (No. 9)monoclinic———6.03
Cc (No. 9)monoclinic———5.73
C2/c (No. 15)monoclinic———5.68
P-3m1 (No. 164)trigonal———5.68
Cc (No. 9)monoclinic———5.48
P-3m1 (No. 164)trigonal———5.17
Uses

Applications

Where SbO2F is used.

Materials science researchSolid-state chemistry studiesFundamental electronic property investigation
Reference

Frequently Asked Questions

Common questions about SbO2F, answered from cross-validated data.

What is SbO2F?

SbO2F is a semiconducting antimony oxyfluoride that is theoretically stable and of interest for its structural diversity.

More questions
What is SbO2F used for?
SbO2F is used in materials science research, solid-state chemistry studies, and fundamental electronic property investigation.
What is the band gap of SbO2F?
SbO2F has a DFT-computed band gap of 1.46 eV across 14 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is SbO2F a metal, semiconductor, or insulator?
DFT predicts a band gap of up to 1.46 eV (a semiconductor). Measured gaps are typically larger.
Is SbO2F thermodynamically stable?
Yes — SbO2F sits on the convex hull (energy above hull 0 eV/atom), i.e. stable.
What is the crystal structure of SbO2F?
The reference structure of SbO2F is monoclinic symmetry, space group Cc (No. 9).
How many polymorphs of SbO2F are known?
14 structures of SbO2F are reported across 2 databases, spanning 5 distinct space groups.
What elements does SbO2F contain?
SbO2F contains F, O, and Sb (3 elements).
Where does the data for SbO2F come from?
SbO2F data is cross-referenced from jarvis, materials_project, mpaloe.
Comparison

How It Compares

As a distinct oxyfluoride, SbO2F serves as a specialized example of how anionic mixing can tune the electronic behavior of antimony-based compounds. While it lacks direct structural siblings in this specific dataset, it functions as a critical reference point for understanding the stability and electronic modulation of mixed-anion frameworks.

Data sources & attribution
  • jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.

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