S14Zn14
S14Zn14 has a DFT band gap of 0.11–2.09 eV across 167 reported structures in 6 space groups; its lowest-energy polymorph is trigonal (P3m1 (No. 156)). Cross-validated across 4 computational databases.
Overview
Key Properties
Cross-validated computational properties for S14Zn14, 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.
0.11–2.09 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.
167
4 databases, 6 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for S14Zn14, 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. |
|---|---|---|---|---|---|
| P3m1 (No. 156) | trigonal | 2.02 | 0.0000 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0000 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0000 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 1.99 | 0.0001 | -9.435 | 4.14 |
| P63mc (No. 186) | hexagonal | 2.02 | 0.0001 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0001 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0001 | -9.435 | 4.14 |
| F-43m (No. 216) | cubic | 2.02 | 0.0001 | -9.435 | 4.14 |
| P63mc (No. 186) | hexagonal | 2.02 | 0.0002 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0002 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0002 | -9.435 | 4.14 |
| P3m1 (No. 156) | trigonal | 2.02 | 0.0002 | -9.435 | 4.13 |
Reference
Frequently Asked Questions
Common questions about S14Zn14, answered from cross-validated data.
What is the band gap of S14Zn14?
S14Zn14 has a DFT-computed band gap of 0.11–2.09 eV across 167 reported structures.
More questions
Is S14Zn14 a metal, semiconductor, or insulator?
With a band gap up to 2.09 eV it is a semiconductor.
Is S14Zn14 thermodynamically stable?
Yes — S14Zn14 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of S14Zn14?
The lowest-energy reported polymorph of S14Zn14 is trigonal symmetry, space group P3m1 (No. 156).
What is the density of S14Zn14?
The computed density of the ground-state structure of S14Zn14 is 4.14 g/cm³.
How many polymorphs of S14Zn14 are known?
167 structures of S14Zn14 are reported across 4 databases, spanning 6 distinct space groups.
What elements does S14Zn14 contain?
S14Zn14 contains S and Zn (2 elements).
Where does the data for S14Zn14 come from?
S14Zn14 data is cross-referenced from materials_project.
Explore
Related Compounds
Other II-VI Semiconductors in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
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