AgSO4
AgSO4 is a thermodynamically stable, semimetallic silver sulfate compound known for its structural variety.
About AgSO4
AgSO4 is a distinct inorganic compound characterized by its presence on the thermodynamic convex hull, indicating high stability. Its electronic nature is defined as near-zero-gap, placing it in the semimetallic regime, which distinguishes it from typical insulating sulfate salts.
This material is notable for its structural diversity, with multiple reported configurations across research databases. Its specific electronic properties make it a subject of interest for fundamental studies in solid-state chemistry and materials science.
Key Properties
Cross-validated computational properties for AgSO4, 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 AgSO4, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 0.00 | 0.0000 | -9.898 | 4.18 |
| C2/c (No. 15) | monoclinic | 0.00 | 0.0000 | -5.833 | 4.40 |
| P-1 (No. 2) | triclinic | 0.00 | 0.0117 | -5.821 | 4.21 |
| P21/c (No. 14) | monoclinic | 0.07 | 0.0338 | -5.799 | 4.24 |
| P21/c (No. 14) | monoclinic | 0.00 | 0.0433 | -5.789 | 4.26 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.00 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.28 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.09 |
| P-1 (No. 2) | — | — | — | — | — |
Frequently Asked Questions
Common questions about AgSO4, answered from cross-validated data.
What is AgSO4?
AgSO4 is a thermodynamically stable, semimetallic silver sulfate compound known for its structural variety.
What is the band gap of AgSO4?
Is AgSO4 a metal, semiconductor, or insulator?
Is AgSO4 thermodynamically stable?
What is the crystal structure of AgSO4?
What is the density of AgSO4?
How many polymorphs of AgSO4 are known?
What elements does AgSO4 contain?
Where does the data for AgSO4 come from?
How It Compares
As a unique inorganic sulfate, AgSO4 occupies a singular position in materials research. Unlike traditional ionic sulfates that typically function as wide-gap insulators, this compound exhibits semimetallic behavior, marking it as a specialized material within the broader landscape of silver-based compounds.
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).
Analyze AgSO4 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →