C4Cs4O8
Cesium squarate · Cesium 3,4-dihydroxycyclobut-3-ene-1,2-dionate
Cesium squarate is a salt derived from squaric acid and cesium. It is primarily used as a precursor in the synthesis of specialized materials and in fundamental chemical research.
Key Properties
Cross-validated computational properties for Cesium squarate, 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.
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 C4Cs4O8, 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 | 4.16 | 0.0000 | -6.905 | 3.82 |
| — | — | — | — | — | 3.09 |
Applications
Where Cesium squarate is used.
Patent Landscape
3 patents reference C4Cs4O8 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
| 8263193 | Vacuum treatment method | — | — |
| 8268035 | Process for producing refractory metal alloy powders | — | — |
Frequently Asked Questions
Common questions about Cesium squarate, answered from cross-validated data.
What is C4Cs4O8?
Cesium squarate is a salt derived from squaric acid and cesium. It is primarily used as a precursor in the synthesis of specialized materials and in fundamental chemical research.
What is C4Cs4O8 used for?
What is the band gap of C4Cs4O8?
Is C4Cs4O8 a metal, semiconductor, or insulator?
Is C4Cs4O8 thermodynamically stable?
What is the crystal structure of C4Cs4O8?
What is the density of C4Cs4O8?
How many polymorphs of C4Cs4O8 are known?
What elements does C4Cs4O8 contain?
Where does the data for C4Cs4O8 come from?
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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