Borane
Chemical compound / From Wikipedia, the free encyclopedia
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This article is about a specific compound. For the class of compounds, see boranes. For the edition of the Hebrew Bible known as BH5, see Biblia Hebraica Quinta.
Borane, also known as borine, is an unstable and highly reactive molecule with the chemical formula BH
3. The preparation of borane carbonyl, BH3(CO), played an important role in exploring the chemistry of boranes, as it indicated the likely existence of the borane molecule.[2] However, the molecular species BH3 is a very strong Lewis acid. Consequently, it is highly reactive and can only be observed directly as a continuously produced, transitory, product in a flow system or from the reaction of laser ablated atomic boron with hydrogen.[3] It normally dimerizes to diborane in the absence of other chemicals.[4]
Quick Facts Names, Identifiers ...
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Names | |||
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IUPAC names
Borane[1] | |||
Systematic IUPAC name
Borane (substitutive) Trihydridoboron (additive) | |||
Other names
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Identifiers | |||
3D model (JSmol) |
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ChEBI | |||
ChemSpider | |||
44 | |||
PubChem CID |
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Properties | |||
BH3 | |||
Molar mass | 13.83 g·mol−1 | ||
Appearance | colourless gas | ||
Conjugate acid | Boronium | ||
Thermochemistry | |||
Std molar entropy (S⦵298) |
187.88 kJ mol−1 K−1 | ||
Std enthalpy of formation (ΔfH⦵298) |
106.69 kJ mol−1 | ||
Structure | |||
D3h | |||
trigonal planar | |||
0 D | |||
Related compounds | |||
Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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