HfCrP
HfCrP has a DFT band gap of 3.56 eV across 12 reported structures in 1 space group; its reference structure is orthorhombic (Pnma (No. 62)). Cross-validated across 2 computational databases.
CrHfP
At a glance
Key Properties
Cross-validated computational properties for HfCrP, aggregated across 2 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.
3.56 eV
Range across DFT structures · ground state: metal
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.
0.000 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.
Stable
3 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
12
2 databases, 1 space group
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of HfCrP. 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.
0.71 / 1.00
Trust tier: medium
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
0.072 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
3
jarvis, materials_project, oqmd
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
All match
Crystallography
Reported Structures
Lowest-energy structures reported for HfCrP, 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. |
|---|---|---|---|---|---|
| — | — | 0.00 | 0.0000 | -0.998 | — |
| — | — | 0.00 | 0.0001 | -0.998 | — |
| — | — | 0.00 | 0.0311 | -0.967 | — |
| Pnma (No. 62) | orthorhombic | 0.00 | 0.0347 | -0.855 | — |
| Pnma (No. 62) | orthorhombic | 0.00 | 0.0717 | -23.958 | 10.04 |
| — | — | 0.00 | 0.4873 | -0.510 | — |
| — | — | 3.56 | 0.5036 | -0.494 | — |
| — | — | 0.00 | 0.5185 | -0.479 | — |
| — | — | 0.00 | 0.5737 | -0.424 | — |
| — | — | 0.00 | 0.5770 | -0.421 | — |
| — | — | 0.00 | 0.6617 | -0.336 | — |
| — | — | 0.00 | 0.9391 | -0.059 | — |
Reference
Frequently Asked Questions
Common questions about HfCrP, answered from cross-validated data.
What is the band gap of HfCrP?
HfCrP has a DFT-computed band gap of 3.56 eV across 12 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
More questions
Is HfCrP a metal, semiconductor, or insulator?
DFT predicts a wide band gap of up to 3.56 eV (an insulator or wide-band-gap material).
Is HfCrP thermodynamically stable?
Yes — HfCrP sits on the convex hull (energy above hull 0 eV/atom), i.e. stable.
What is the crystal structure of HfCrP?
The reference structure of HfCrP is orthorhombic symmetry, space group Pnma (No. 62).
How many polymorphs of HfCrP are known?
12 structures of HfCrP are reported across 2 databases, spanning 1 distinct space group.
What elements does HfCrP contain?
HfCrP contains Cr, Hf, and P (3 elements).
Where does the data for HfCrP come from?
HfCrP data is cross-referenced from oqmd, jarvis, materials_project.
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)
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
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