Tl2SO4
Thallium(I) sulfate · Thallium sulfate
Thallium(I) sulfate is an inorganic salt known for its high toxicity and historical use as a chemical agent. Due to its potent biological effects, its use is strictly regulated and limited to specialized industrial or laboratory settings.
Key Properties
Cross-validated computational properties for Thallium(I) sulfate, 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 Tl2SO4, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 3.80 | 0.0000 | -5.767 | 6.91 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 6.43 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 6.83 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 6.56 |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where Thallium(I) sulfate is used.
Frequently Asked Questions
Common questions about Thallium(I) sulfate, answered from cross-validated data.
What is Tl2SO4?
Thallium(I) sulfate is an inorganic salt known for its high toxicity and historical use as a chemical agent. Due to its potent biological effects, its use is strictly regulated and limited to specialized industrial or laboratory settings.
What is Tl2SO4 used for?
What is the band gap of Tl2SO4?
Is Tl2SO4 a metal, semiconductor, or insulator?
Is Tl2SO4 thermodynamically stable?
What is the crystal structure of Tl2SO4?
What is the density of Tl2SO4?
How many polymorphs of Tl2SO4 are known?
What elements does Tl2SO4 contain?
Where does the data for Tl2SO4 come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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