Bismuthine

Bismuthine (IUPAC name: bismuthane) is the chemical compound with the formula BiH3. As the heaviest analogue of ammonia (a pnictogen hydride), BiH3 is unstable, decomposing to bismuth metal well below 0 °C. This compound adopts the expected pyramidal structure with H–Bi–H angles of around 90°.

Bismuthine

  Bismuth, Bi
  Hydrogen, H
Names
IUPAC name
bismuthane
Other names
bismuth trihydride
hydrogen bismuthide
bismine
trihydridobismuth
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
UNII
  • InChI=1S/Bi.3H N
    Key: BPBOBPIKWGUSQG-UHFFFAOYSA-N N
  • InChI=1/Bi.3H/rBiH3/h1H3
    Key: BPBOBPIKWGUSQG-PVKOQVOWAF
SMILES
  • [BiH3]
Properties
BiH3
Molar mass 212.00 g/mol
Appearance colourless gas
Density 0.008665 g/mL (20 °C)
Boiling point 16.8 °C (62.2 °F; 289.9 K) (extrapolated)
Conjugate acid Bismuthonium
Structure
Molecular shape
 trigonal pyramidal
Related compounds
Related hydrides
 Ammonia
Phosphine
Arsine
Stibine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

The term bismuthine may also refer to a member of the family of organobismuth(III) species having the general formula BiR
3, where R is an organic substituent. For example, Bi(CH3)3 is trimethylbismuthine.

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