C4Ge4Na12O28P4
C4Ge4Na12O28P4 has a DFT band gap of 3.64–4.19 eV across 3 reported structures in 2 space groups; its lowest-energy polymorph is monoclinic (P21 (No. 4)). Cross-validated across 2 computational databases.
At a glance
Key Properties
Cross-validated computational properties for C4Ge4Na12O28P4, aggregated across 2 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.
3.64–4.19 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.
0.067 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.
Metastable
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
3
2 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for C4Ge4Na12O28P4, 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. |
|---|---|---|---|---|---|
| P21 (No. 4) | monoclinic | 4.19 | 0.0666 | -6.666 | 2.83 |
| P21/m (No. 11) | monoclinic | 3.64 | 0.0826 | -6.650 | 2.93 |
| — | — | — | — | — | 2.81 |
Reference
Frequently Asked Questions
Common questions about C4Ge4Na12O28P4, answered from cross-validated data.
What is the band gap of C4Ge4Na12O28P4?
C4Ge4Na12O28P4 has a DFT-computed band gap of 3.64–4.19 eV across 3 reported structures.
More questions
Is C4Ge4Na12O28P4 a metal, semiconductor, or insulator?
With a wide band gap up to 4.19 eV it is an insulator / wide-band-gap material.
Is C4Ge4Na12O28P4 thermodynamically stable?
C4Ge4Na12O28P4 has a lowest energy above hull of 0.067 eV/atom (metastable).
What is the crystal structure of C4Ge4Na12O28P4?
The lowest-energy reported polymorph of C4Ge4Na12O28P4 is monoclinic symmetry, space group P21 (No. 4).
What is the density of C4Ge4Na12O28P4?
The computed density of the ground-state structure of C4Ge4Na12O28P4 is 2.83 g/cm³.
How many polymorphs of C4Ge4Na12O28P4 are known?
3 structures of C4Ge4Na12O28P4 are reported across 2 databases, spanning 2 distinct space groups.
What elements does C4Ge4Na12O28P4 contain?
C4Ge4Na12O28P4 contains C, Ge, Na, O, and P (5 elements).
Where does the data for C4Ge4Na12O28P4 come from?
C4Ge4Na12O28P4 data is cross-referenced from materials_project, omat24.
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Related Compounds
Other NASICON-Type Electrolytes 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).
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