C2Ga2Mo4
C2Ga2Mo4 has a DFT band gap of Metallic / not reported across 6 reported structures in 1 space group; its lowest-energy polymorph is hexagonal (P63/mmc (No. 194)). Cross-validated across 3 computational databases.
At a glance
Key Properties
Cross-validated computational properties for C2Ga2Mo4, 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.
Metallic / not reported
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.
0.007 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.
Near hull (likely stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
6
3 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for C2Ga2Mo4, 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. |
|---|---|---|---|---|---|
| P63/mmc (No. 194) | hexagonal | 0.00 | 0.0074 | -8.602 | 8.59 |
| — | — | — | — | — | 8.40 |
| P63/mmc (No. 194) | — | — | — | — | — |
| P63/mmc (No. 194) | — | — | — | — | — |
| P63/mmc (No. 194) | — | — | — | — | — |
| — | — | — | — | — | 8.21 |
Reference
Frequently Asked Questions
Common questions about C2Ga2Mo4, answered from cross-validated data.
What is the band gap of C2Ga2Mo4?
C2Ga2Mo4 is computed to be metallic (no band gap) in the reported DFT structures.
More questions
Is C2Ga2Mo4 a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is C2Ga2Mo4 thermodynamically stable?
C2Ga2Mo4 has a lowest energy above hull of 0.007 eV/atom (near hull (likely stable)).
What is the crystal structure of C2Ga2Mo4?
The lowest-energy reported polymorph of C2Ga2Mo4 is hexagonal symmetry, space group P63/mmc (No. 194).
What is the density of C2Ga2Mo4?
The computed density of the ground-state structure of C2Ga2Mo4 is 8.59 g/cm³.
How many polymorphs of C2Ga2Mo4 are known?
6 structures of C2Ga2Mo4 are reported across 3 databases, spanning 1 distinct space group.
What elements does C2Ga2Mo4 contain?
C2Ga2Mo4 contains C, Ga, and Mo (3 elements).
Where does the data for C2Ga2Mo4 come from?
C2Ga2Mo4 data is cross-referenced from materials_project, omat24, aflow.
Explore
Related Compounds
Other MAX Phases in the database.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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