Boron suboxide
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| Boron suboxide | |
|---|---|
| IUPAC name | Boron suboxide |
| Other names | None |
| Identifiers | |
| CAS number | [?] |
| Properties | |
| Molecular formula | B6O |
| Molar mass | 80.865 g/mol |
| Appearance | Reddish icosahedral twinned crystals |
| Density | ? |
| Melting point |
? |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Boron suboxide (chemical formula B6O) is a solid compound of boron and oxygen. Unusually, it forms icosahedral particles, which are neither single crystals nor quasicrystals, but twinned groups of twenty tetrahedral crystals. It is extremely hard, and is believed to be one of the hardest substances in the world, after aggregated diamond nanorods, ultrahard fullerite, diamond and cubic boron nitride.
[edit] See also
[edit] External links
- http://www.nsf.gov/news/mmg/mmg_disp.cfm?med_id=51913&from=img
- http://researchmag.asu.edu/stories/hardstuff.html
- Boron suboxide: As hard as cubic boron nitride
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