Al6Cl2Na8O24Si6
Sodalite · Chlorosodalite
Sodalite is a stable, insulating aluminosilicate mineral characterized by a cage-like framework structure that incorporates chlorine ions.
About Sodalite
Al6Cl2Na8O24Si6 is a prominent member of the aluminosilicate and zeolite family, characterized by a highly ordered, cage-like framework. As a thermodynamically stable phase, it maintains structural integrity under a variety of conditions, serving as a foundational model for understanding complex mineral architectures.
Its wide-band-gap insulating nature makes it an interesting subject for materials science research, particularly in the study of ion exchange and molecular sieving. The presence of chlorine within its structure contributes to its distinct physical properties and differentiates it from other framework silicates.
Key Properties
Cross-validated computational properties for Sodalite, 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 Al6Cl2Na8O24Si6, 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-43n (No. 218) | cubic | 4.70 | 0.0000 | -7.173 | 2.31 |
| C2 (No. 5) | monoclinic | 4.34 | 0.0241 | -7.148 | 2.21 |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
| P-43n (No. 218) | — | — | — | — | — |
Applications
Where Sodalite is used.
Frequently Asked Questions
Common questions about Sodalite, answered from cross-validated data.
What is Al6Cl2Na8O24Si6?
Sodalite is a stable, insulating aluminosilicate mineral characterized by a cage-like framework structure that incorporates chlorine ions.
What is Al6Cl2Na8O24Si6 used for?
What is the band gap of Al6Cl2Na8O24Si6?
Is Al6Cl2Na8O24Si6 a metal, semiconductor, or insulator?
Is Al6Cl2Na8O24Si6 thermodynamically stable?
What is the crystal structure of Al6Cl2Na8O24Si6?
What is the density of Al6Cl2Na8O24Si6?
How many polymorphs of Al6Cl2Na8O24Si6 are known?
What elements does Al6Cl2Na8O24Si6 contain?
Where does the data for Al6Cl2Na8O24Si6 come from?
How It Compares
Within the aluminosilicates and zeolite frameworks class.
Compared to other aluminosilicates like the framework-dense NaAlSi3O8 or the dense mineral Al2SiO5, Sodalite exhibits a unique cage-based geometry that facilitates specific chemical interactions. While members like KAlSiO4 or LiAlSiO4 often focus on alkali-metal mobility, this compound is distinguished by its specific chlorine-hosted framework, which provides a different structural environment than the layered or chain-like configurations found in other silicates.
Related Compounds
Other Aluminosilicates and Zeolite Frameworks in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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