Bi4Ge4Rb4S16
Bi4Ge4Rb4S16 is a stable, semiconducting quaternary sulfide material composed of bismuth, germanium, rubidium, and sulfur.
About Bi4Ge4Rb4S16
Bi4Ge4Rb4S16 is a complex quaternary sulfide compound composed of bismuth, germanium, rubidium, and sulfur. As a thermodynamically stable material situated on the convex hull, it represents a well-defined structural arrangement that maintains chemical integrity under standard conditions. Its electronic character is defined as semiconducting, making it a subject of interest for researchers investigating the interplay between heavy metal cations and chalcogenide frameworks. The compound's existence across multiple reported structures highlights its structural versatility within the broader landscape of complex sulfides. This material serves as a valuable candidate for fundamental studies in solid-state chemistry, particularly in exploring how the inclusion of alkali metals like rubidium influences the electronic properties of bismuth-germanium-sulfur systems. Its stability suggests potential for further experimental characterization in applications requiring robust semiconducting materials.
Key Properties
Cross-validated computational properties for Bi4Ge4Rb4S16, 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 Bi4Ge4Rb4S16, 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 | 1.97 | 0.0000 | -4.642 | 4.05 |
| No. 0 | unknown | — | — | — | 1.07 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where Bi4Ge4Rb4S16 is used.
Frequently Asked Questions
Common questions about Bi4Ge4Rb4S16, answered from cross-validated data.
What is Bi4Ge4Rb4S16?
Bi4Ge4Rb4S16 is a stable, semiconducting quaternary sulfide material composed of bismuth, germanium, rubidium, and sulfur.
What is Bi4Ge4Rb4S16 used for?
What is the band gap of Bi4Ge4Rb4S16?
Is Bi4Ge4Rb4S16 a metal, semiconductor, or insulator?
Is Bi4Ge4Rb4S16 thermodynamically stable?
What is the crystal structure of Bi4Ge4Rb4S16?
What is the density of Bi4Ge4Rb4S16?
How many polymorphs of Bi4Ge4Rb4S16 are known?
What elements does Bi4Ge4Rb4S16 contain?
Where does the data for Bi4Ge4Rb4S16 come from?
How It Compares
As a unique quaternary sulfide, Bi4Ge4Rb4S16 occupies a distinct position within the family of complex chalcogenides. While it lacks direct structural siblings in this specific dataset, it functions as a representative example of how alkali-metal incorporation can stabilize intricate bismuth-germanium-sulfur lattices, distinguishing it from simpler binary or ternary sulfides that often exhibit different electronic or structural symmetries.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze Bi4Ge4Rb4S16 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →