Boron suboxide

Boron suboxide

Chembox new
IUPACName = Boron suboxide
OtherNames = None
Section1 = Chembox Identifiers
CASNo = ?
Section2 = Chembox Properties
Formula = B6O
MolarMass = 80.865 g/mol
Appearance = Reddish icosahedral twinned crystals
Density = ?
MeltingPt = ?

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.

See also

* Suboxide
* Heterodiamond
* Beta carbon nitride

External links

* http://www.nsf.gov/news/mmg/mmg_disp.cfm?med_id=51913&from=img
* http://researchmag.asu.edu/stories/hardstuff.html
* [http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000081000004000643000001 Boron suboxide: As hard as cubic boron nitride]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Suboxide — (von lat. sub = unter) sind chemische Verbindungen des Sauerstoffs zu elektropositiveren Elementen, in denen weniger Sauerstoffatome gebunden sind, als nach der Wertigkeit des Sauerstoffs zu erwarten wären. Die formale Oxidationsstufe des anderen …   Deutsch Wikipedia

  • Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… …   Wikipedia

  • Boron nitride — IUPAC name Boron nitride Identifiers …   Wikipedia

  • Boron trioxide — Other …   Wikipedia

  • Suboxide — Suboxides are a class of oxides wherein the electropositive element is in excess relative to the “normal” oxides.Simon, A. ”Group 1 and 2 Suboxides and Subnitrides Metals with Atomic Size Holes and Tunnels” Coordination Chemistry Reviews 1997,… …   Wikipedia

  • Suboxid — Suboxide (von lat. sub = unter) sind chemische Verbindungen des Sauerstoffs zu elektropositiveren Elementen, in denen weniger Sauerstoffatome gebunden sind, als nach der Wertigkeit des Sauerstoffs zu erwarten wären. Die formale Oxidationsstufe… …   Deutsch Wikipedia

  • List of inorganic compounds — Tentative listing related to this page, inorganic compounds by element (presently under construction), as well as . This list is not necessarily complete or up to date ndash; if you see an article that should be here but isn t (or one that… …   Wikipedia

  • Stishovite — Infobox mineral name = Stishovite category = Mineral boxwidth = boxbgcolor = imagesize = caption = formula = Silica (silicon dioxide, SiO2) molweight = color = Clear (if no impurities); also see Varieties habit = system = twinning = cleavage =… …   Wikipedia

  • Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”