H56N16O24P8
H56N16O24P8 is a metastable, insulating inorganic compound composed of hydrogen, nitrogen, oxygen, and phosphorus.
About H56N16O24P8
H56N16O24P8 is a complex, hydrogen-rich inorganic compound characterized by its wide-band-gap insulating electronic profile. As a metastable material, it represents a unique structural configuration that is of interest for fundamental studies in solid-state chemistry.
Its existence is documented across multiple structural databases, highlighting its role as a subject of ongoing investigation. The compound's insulating nature and specific elemental composition make it a distinct entry within the landscape of complex polyatomic materials.
Key Properties
Cross-validated computational properties for H56N16O24P8, aggregated across 4 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 H56N16O24P8, 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 | 4.83 | 0.0497 | -5.826 | 1.67 |
| — | — | — | — | — | 1.68 |
| No. 0 | unknown | — | — | — | 0.43 |
| P21/c (No. 14) | — | — | — | — | — |
Frequently Asked Questions
Common questions about H56N16O24P8, answered from cross-validated data.
What is H56N16O24P8?
H56N16O24P8 is a metastable, insulating inorganic compound composed of hydrogen, nitrogen, oxygen, and phosphorus.
What is the band gap of H56N16O24P8?
Is H56N16O24P8 a metal, semiconductor, or insulator?
Is H56N16O24P8 thermodynamically stable?
What is the crystal structure of H56N16O24P8?
What is the density of H56N16O24P8?
How many polymorphs of H56N16O24P8 are known?
What elements does H56N16O24P8 contain?
Where does the data for H56N16O24P8 come from?
How It Compares
As a unique, metastable compound with no direct structural siblings currently identified in this specific class, H56N16O24P8 stands as an isolated point of interest for researchers exploring the limits of stable chemical bonding in hydrogen-nitrogen-oxygen-phosphorus systems.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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