B3H5
triborane(5)
Triborane(5) is a reactive boron hydride cluster that serves as an intermediate in the synthesis of more complex borane species. It is primarily studied in laboratory settings for its role in understanding boron-hydrogen bonding and cluster chemistry.
Key Properties
Cross-validated computational properties for B3H5, 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 B3H5, 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 | 3.74 | 0.0116 | -4.988 | 0.81 |
| Cmc21 (No. 36) | orthorhombic | 3.87 | 0.0446 | -4.955 | 0.81 |
| Cmmm (No. 65) | Orthorhombic | — | — | — | 1.81 |
| P-62m (No. 189) | Hexagonal | — | — | — | 2.47 |
| P1 (No. 1) | Triclinic | — | — | — | 1.81 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 0.77 |
| Cm (No. 8) | Monoclinic | — | — | — | 1.89 |
| P-62m (No. 189) | Hexagonal | — | — | — | 2.03 |
| P-6 (No. 174) | Hexagonal | — | — | — | 1.87 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 0.76 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 0.77 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 2.37 |
Applications
Where B3H5 is used.
Frequently Asked Questions
Common questions about B3H5, answered from cross-validated data.
What is B3H5?
Triborane(5) is a reactive boron hydride cluster that serves as an intermediate in the synthesis of more complex borane species. It is primarily studied in laboratory settings for its role in understanding boron-hydrogen bonding and cluster chemistry.
What is B3H5 used for?
What is the band gap of B3H5?
Is B3H5 a metal, semiconductor, or insulator?
Is B3H5 thermodynamically stable?
What is the crystal structure of B3H5?
What is the density of B3H5?
How many polymorphs of B3H5 are known?
What elements does B3H5 contain?
Where does the data for B3H5 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).
- mpaloe — Data from mpaloe.
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