Sc2Cl3
Sc2Cl3 has a DFT band gap of 0.80 eV across 46 reported structures in 14 space groups. Cross-validated across 2 computational databases.
Key Properties
Cross-validated computational properties for Sc2Cl3, 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.
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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Sc2Cl3. Tight agreement means computed properties can be trusted without re-running calculations.
Only 1 independent DFT source (oqmd) reports a hull energy for Sc2Cl3, so cross-source agreement can't be assessed yet.
Reported Structures
Lowest-energy structures reported for Sc2Cl3, 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. |
|---|---|---|---|---|---|
| — | — | 0.80 | 0.0000 | -1.969 | — |
| P1 (No. 1) | triclinic | — | — | — | 2.69 |
| P1 (No. 1) | triclinic | — | — | — | 2.57 |
| P1 (No. 1) | triclinic | — | — | — | 2.70 |
| P1 (No. 1) | triclinic | — | — | — | 2.76 |
| P-1 (No. 2) | triclinic | — | — | — | 3.01 |
| C2 (No. 5) | monoclinic | — | — | — | 2.64 |
| C2 (No. 5) | monoclinic | — | — | — | 2.94 |
| C2 (No. 5) | monoclinic | — | — | — | 3.79 |
| Pm (No. 6) | monoclinic | — | — | — | 3.69 |
| Pm (No. 6) | monoclinic | — | — | — | 4.00 |
| Cm (No. 8) | monoclinic | — | — | — | 2.48 |
Frequently Asked Questions
Common questions about Sc2Cl3, answered from cross-validated data.
What is the band gap of Sc2Cl3?
Sc2Cl3 has a DFT-computed band gap of 0.80 eV across 46 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is Sc2Cl3 a metal, semiconductor, or insulator?
Is Sc2Cl3 thermodynamically stable?
How many polymorphs of Sc2Cl3 are known?
What elements does Sc2Cl3 contain?
Where does the data for Sc2Cl3 come from?
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)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
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