H52B40Br4
This compound is a complex polyhedral borane derivative containing bromine substituents. It belongs to a class of boron-rich clusters often investigated for their unique structural properties and potential roles in advanced chemical synthesis or materials research.
Key Properties
Cross-validated computational properties for H52B40Br4, 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 H52B40Br4, 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 | 3.34 | 0.0001 | -4.918 | 1.29 |
| — | — | — | — | — | 1.29 |
| — | — | — | — | — | 1.29 |
| P21/c (No. 14) | monoclinic | — | — | — | 0.34 |
| Pca21 (No. 29) | orthorhombic | — | — | — | 0.34 |
Applications
Where H52B40Br4 is used.
Frequently Asked Questions
Common questions about H52B40Br4, answered from cross-validated data.
What is H52B40Br4?
This compound is a complex polyhedral borane derivative containing bromine substituents. It belongs to a class of boron-rich clusters often investigated for their unique structural properties and potential roles in advanced chemical synthesis or materials research.
What is H52B40Br4 used for?
What is the band gap of H52B40Br4?
Is H52B40Br4 a metal, semiconductor, or insulator?
Is H52B40Br4 thermodynamically stable?
What is the crystal structure of H52B40Br4?
What is the density of H52B40Br4?
How many polymorphs of H52B40Br4 are known?
What elements does H52B40Br4 contain?
Where does the data for H52B40Br4 come from?
Related Compounds
Other Hydrogen Storage Hydrides in the database.
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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