Cl20O14Si12
Cl20O14Si12 is a wide-gap insulating chlorosiloxane compound that is theoretically stable enough to be a target for laboratory synthesis.

About Cl20O14Si12
Cl20O14Si12 is a complex chlorosiloxane-based compound that functions as a wide-gap insulator. Its unique structural arrangement of chlorine, oxygen, and silicon atoms positions it as a material of interest for specialized chemical synthesis and molecular engineering applications.
Because it resides near the thermodynamic hull, this compound is considered a viable candidate for experimental realization. Its electronic character as an insulator makes it a subject of study for researchers looking to understand the stability and reactivity of complex silicon-based molecular frameworks.
Key Properties
Cross-validated computational properties for Cl20O14Si12, 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 Cl20O14Si12, 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/m (No. 11) | monoclinic | 5.63 | 0.0195 | -6.146 | 1.79 |
| — | — | — | — | — | 1.66 |
| P21/m (No. 11) | — | — | — | — | — |
Applications
Where Cl20O14Si12 is used.
Frequently Asked Questions
Common questions about Cl20O14Si12, answered from cross-validated data.
What is Cl20O14Si12?
Cl20O14Si12 is a wide-gap insulating chlorosiloxane compound that is theoretically stable enough to be a target for laboratory synthesis.
What is Cl20O14Si12 used for?
What is the band gap of Cl20O14Si12?
Is Cl20O14Si12 a metal, semiconductor, or insulator?
Is Cl20O14Si12 thermodynamically stable?
What is the crystal structure of Cl20O14Si12?
What is the density of Cl20O14Si12?
How many polymorphs of Cl20O14Si12 are known?
What elements does Cl20O14Si12 contain?
Where does the data for Cl20O14Si12 come from?
How It Compares
As a unique chlorosiloxane derivative, this compound serves as a distinct example of silicon-oxygen-chlorine chemistry. It occupies a specialized niche within the broader landscape of insulating silicon compounds, representing a structural configuration that bridges the gap between simple molecular precursors and more complex inorganic networks.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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