CeClO
CeClO is a stable semiconducting oxyhalide compound that is frequently studied for its structural diversity.
About CeClO
CeClO is a distinct oxyhalide compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration that has attracted significant interest in materials informatics.
Its structural versatility is evidenced by the numerous reported configurations across multiple databases. This data richness makes it a valuable subject for researchers investigating the interplay between rare-earth elements, halides, and oxygen in solid-state chemistry.
Key Properties
Cross-validated computational properties for CeClO, aggregated across 5 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 CeClO. 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.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for CeClO, 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. |
|---|---|---|---|---|---|
| — | — | 4.69 | 0.0000 | -3.270 | — |
| P4/nmm (No. 129) | tetragonal | 0.00 | 0.0000 | -3.219 | — |
| P4/nmm (No. 129) | tetragonal | 0.00 | 0.0000 | -3.219 | — |
| P4/nmm (No. 129) | tetragonal | 0.00 | 0.0956 | -7.445 | 5.60 |
| P-1 (No. 2) | triclinic | — | — | — | 5.71 |
| P4/nmm (No. 129) | tetragonal | — | — | — | 5.56 |
| P-1 (No. 2) | triclinic | — | — | — | 4.15 |
| P4/nmm (No. 129) | tetragonal | — | — | — | 5.56 |
| P4/nmm (No. 129) | tetragonal | — | — | — | 5.60 |
| P-1 (No. 2) | triclinic | — | — | — | 6.41 |
| P4/nmm (No. 129) | tetragonal | — | — | — | 5.58 |
Applications
Where CeClO is used.
Frequently Asked Questions
Common questions about CeClO, answered from cross-validated data.
What is CeClO?
CeClO is a stable semiconducting oxyhalide compound that is frequently studied for its structural diversity.
What is CeClO used for?
What is the band gap of CeClO?
Is CeClO a metal, semiconductor, or insulator?
Is CeClO thermodynamically stable?
What is the crystal structure of CeClO?
How many polymorphs of CeClO are known?
What elements does CeClO contain?
Where does the data for CeClO come from?
How It Compares
As a standalone representative of its specific chemical composition, CeClO serves as a foundational reference point for understanding the stability and electronic behavior of cerium-based oxyhalide systems.
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)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
- cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)
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