C24La12N36
C24La12N36 is a rare, insulating lanthanum-carbon-nitrogen compound that exists as a metastable phase in solid-state chemistry.
About C24La12N36
C24La12N36 is a complex ternary compound composed of lanthanum, carbon, and nitrogen. It is characterized as a wide-band-gap insulator, placing it within the category of materials that do not readily conduct electricity under standard conditions.
Due to its position above the thermodynamic hull, this compound is considered metastable or unstable, which makes it a subject of specialized interest in theoretical materials science. Its structural configuration is rare, with limited experimental observations reported in current databases.
Key Properties
Cross-validated computational properties for C24La12N36, 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.
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.
Reported Structures
Lowest-energy structures reported for C24La12N36, 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. |
|---|---|---|---|---|---|
| Cmcm (No. 63) | orthorhombic | 3.53 | 0.2623 | -10.790 | 3.76 |
| — | — | — | — | — | 3.83 |
| No. 0 | unknown | — | — | — | 0.57 |
Frequently Asked Questions
Common questions about C24La12N36, answered from cross-validated data.
What is C24La12N36?
C24La12N36 is a rare, insulating lanthanum-carbon-nitrogen compound that exists as a metastable phase in solid-state chemistry.
What is the band gap of C24La12N36?
Is C24La12N36 a metal, semiconductor, or insulator?
Is C24La12N36 thermodynamically stable?
What is the crystal structure of C24La12N36?
What is the density of C24La12N36?
How many polymorphs of C24La12N36 are known?
What elements does C24La12N36 contain?
Where does the data for C24La12N36 come from?
How It Compares
As a unique ternary assembly of lanthanum, carbon, and nitrogen, this compound represents a niche structure within the broader landscape of metal-carbon-nitride materials. Without direct structural siblings, it serves as a distinct case study for understanding the stability limits of complex lanthanum-based frameworks.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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