H12In4Na4O34P8
H12In4Na4O34P8 is a complex, wide-gap insulating indium sodium phosphate that is considered a viable target for experimental synthesis.

About H12In4Na4O34P8
H12In4Na4O34P8 is a complex hydrated phosphate compound featuring indium and sodium cations. Its wide-gap insulating electronic character suggests potential utility in specialized dielectric or optical applications where electronic transport must be strictly limited.
As a near-hull material, this compound occupies a favorable position in the thermodynamic landscape, indicating it is a strong candidate for successful laboratory synthesis. Its structural complexity highlights the diverse coordination environments possible within indium-phosphate frameworks.
Key Properties
Cross-validated computational properties for H12In4Na4O34P8, 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 H12In4Na4O34P8, 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 | 3.81 | 0.0051 | -6.532 | 3.09 |
| — | — | — | — | — | 2.55 |
| No. 0 | unknown | — | — | — | 1.61 |
Applications
Where H12In4Na4O34P8 is used.
Frequently Asked Questions
Common questions about H12In4Na4O34P8, answered from cross-validated data.
What is H12In4Na4O34P8?
H12In4Na4O34P8 is a complex, wide-gap insulating indium sodium phosphate that is considered a viable target for experimental synthesis.
What is H12In4Na4O34P8 used for?
What is the band gap of H12In4Na4O34P8?
Is H12In4Na4O34P8 a metal, semiconductor, or insulator?
Is H12In4Na4O34P8 thermodynamically stable?
What is the crystal structure of H12In4Na4O34P8?
What is the density of H12In4Na4O34P8?
How many polymorphs of H12In4Na4O34P8 are known?
What elements does H12In4Na4O34P8 contain?
Where does the data for H12In4Na4O34P8 come from?
How It Compares
As an unclassified complex phosphate, H12In4Na4O34P8 represents a unique structural motif within the broader family of indium-based inorganic salts. Unlike simpler binary oxides, this compound leverages a complex anionic framework to stabilize its structure, positioning it as a distinct subject for further exploration in solid-state chemistry.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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