Gd4H4O20S4
Gd4H4O20S4 is a thermodynamically stable, semiconducting inorganic compound composed of gadolinium, hydrogen, oxygen, and sulfur.
About Gd4H4O20S4
Gd4H4O20S4 is a complex inorganic compound that exhibits semiconducting electronic behavior. Its position on the thermodynamic convex hull indicates that it is a stable phase, making it a significant subject for structural characterization and materials research.
As a multi-element system containing gadolinium, hydrogen, oxygen, and sulfur, this compound represents a unique chemical architecture. Its stability suggests potential for specialized applications where specific electronic properties are required within a robust crystalline framework.
Key Properties
Cross-validated computational properties for Gd4H4O20S4, 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 Gd4H4O20S4, 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/c (No. 14) | monoclinic | 2.94 | 0.0000 | -8.301 | 4.96 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.29 |
Frequently Asked Questions
Common questions about Gd4H4O20S4, answered from cross-validated data.
What is Gd4H4O20S4?
Gd4H4O20S4 is a thermodynamically stable, semiconducting inorganic compound composed of gadolinium, hydrogen, oxygen, and sulfur.
What is the band gap of Gd4H4O20S4?
Is Gd4H4O20S4 a metal, semiconductor, or insulator?
Is Gd4H4O20S4 thermodynamically stable?
What is the crystal structure of Gd4H4O20S4?
What is the density of Gd4H4O20S4?
How many polymorphs of Gd4H4O20S4 are known?
What elements does Gd4H4O20S4 contain?
Where does the data for Gd4H4O20S4 come from?
How It Compares
As a unique entry in this chemical space, Gd4H4O20S4 serves as a foundational example of how rare-earth elements can integrate with complex oxy-sulfide and hydrogen-containing frameworks to maintain thermodynamic stability.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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