PtF3
PtF3 has a DFT band gap of 0.49 eV across 61 reported structures in 16 space groups; its reference structure is monoclinic (Cm (No. 8)). Cross-validated across 3 computational databases.
At a glance
Key Properties
Cross-validated computational properties for PtF3, 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.
0.49 eV
Range across DFT structures · ground state: small gap
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.
0.066 eV/atom
Best (lowest) across sources
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.
Metastable
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
61
3 databases, 16 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of PtF3. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
0.00 / 1.00
Trust tier: low
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
1.677 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
2
jarvis, oqmd
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
—
Crystallography
Reported Structures
Lowest-energy structures reported for PtF3, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| — | — | 0.48 | 0.0665 | -1.336 | — |
| — | — | 0.49 | 0.1077 | -1.295 | — |
| — | — | 0.00 | 0.8966 | -0.506 | — |
| — | — | 0.00 | 0.9101 | -0.493 | — |
| — | — | 0.00 | 0.9960 | -0.407 | — |
| — | — | 0.00 | 1.0262 | -0.377 | — |
| Cm (No. 8) | monoclinic | 0.00 | 1.7432 | 0.513 | — |
| P1 (No. 1) | triclinic | — | — | — | 6.54 |
| P1 (No. 1) | triclinic | — | — | — | 10.27 |
| P1 (No. 1) | triclinic | — | — | — | 4.49 |
| P1 (No. 1) | triclinic | — | — | — | 5.84 |
| P1 (No. 1) | triclinic | — | — | — | 3.91 |
Reference
Frequently Asked Questions
Common questions about PtF3, answered from cross-validated data.
What is the band gap of PtF3?
PtF3 has a DFT-computed band gap of 0.49 eV across 61 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
More questions
Is PtF3 a metal, semiconductor, or insulator?
DFT predicts a band gap of up to 0.49 eV (a semiconductor). Measured gaps are typically larger.
Is PtF3 thermodynamically stable?
PtF3 has a lowest energy above hull of 0.066 eV/atom (metastable).
What is the crystal structure of PtF3?
The reference structure of PtF3 is monoclinic symmetry, space group Cm (No. 8).
How many polymorphs of PtF3 are known?
61 structures of PtF3 are reported across 3 databases, spanning 16 distinct space groups.
What elements does PtF3 contain?
PtF3 contains F and Pt (2 elements).
Where does the data for PtF3 come from?
PtF3 data is cross-referenced from oqmd, jarvis, mpaloe.
Explore
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
- jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
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