C4Si4
C4Si4 has a DFT band gap of 1.33–3.58 eV across 52 reported structures in 9 space groups. Cross-validated across 4 computational databases.
At a glance
Key Properties
Cross-validated computational properties for C4Si4, aggregated across 4 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.
1.33–3.58 eV
Range across DFT structures
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.
On hull (stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
52
4 databases, 9 space groups
Reference
Frequently Asked Questions
Common questions about C4Si4, answered from cross-validated data.
What is the band gap of C4Si4?
C4Si4 has a DFT-computed band gap of 1.33–3.58 eV across 52 reported structures.
More questions
Is C4Si4 a metal, semiconductor, or insulator?
With a wide band gap up to 3.58 eV it is an insulator / wide-band-gap material.
Is C4Si4 thermodynamically stable?
Yes — C4Si4 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of C4Si4 are known?
52 structures of C4Si4 are reported across 4 databases, spanning 9 distinct space groups.
What elements does C4Si4 contain?
C4Si4 contains C and Si (2 elements).
Where does the data for C4Si4 come from?
C4Si4 data is cross-referenced from latticegraph.
Explore
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze C4Si4 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →