Borane

Borane
Names
	IUPAC names Borane
	Systematic IUPAC name Borane (substitutive); Trihydridoboron (additive)
	Other names borine; boron trihydride; hydrogen boride;
Identifiers
CAS Number	13283-31-3;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:30149;
ChemSpider	6091;
Gmelin Reference	44
PubChem CID	6331;
	InChI InChI=1S/BH3/h1H3 Key: UORVGPXVDQYIDP-UHFFFAOYSA-N;
	SMILES B;
Properties
Chemical formula	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
Point group	D3h
Molecular shape	trigonal planar
Dipole moment	0 D
Related compounds
Related compounds	diborane;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Borane is an inorganic compound with the chemical formula B H
₃. Because it tends to dimerize or form adducts, borane is very rarely observed. It normally dimerizes to diborane in the absence of other chemicals. It can be observed directly as a continuously produced, transitory, product in a flow system or from the reaction of laser ablated atomic boron with hydrogen.