H12Na12O20Si4
Sodium silicate hydrate · Sodium orthosilicate hydrate, Water glass hydrate
This compound is a hydrated form of sodium silicate, a versatile inorganic substance often found in glassy or crystalline forms. It is widely utilized in industrial processes for its adhesive, binding, and detergent properties.
Key Properties
Cross-validated computational properties for Sodium silicate hydrate, 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 H12Na12O20Si4, 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 | 3.89 | 0.0035 | -5.760 | 2.29 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.59 |
Applications
Where Sodium silicate hydrate is used.
Frequently Asked Questions
Common questions about Sodium silicate hydrate, answered from cross-validated data.
What is H12Na12O20Si4?
This compound is a hydrated form of sodium silicate, a versatile inorganic substance often found in glassy or crystalline forms. It is widely utilized in industrial processes for its adhesive, binding, and detergent properties.
What is H12Na12O20Si4 used for?
What is the band gap of H12Na12O20Si4?
Is H12Na12O20Si4 a metal, semiconductor, or insulator?
Is H12Na12O20Si4 thermodynamically stable?
What is the crystal structure of H12Na12O20Si4?
What is the density of H12Na12O20Si4?
How many polymorphs of H12Na12O20Si4 are known?
What elements does H12Na12O20Si4 contain?
Where does the data for H12Na12O20Si4 come from?
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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