Bismuthine

Bismuthine
Skeletal formula of bismuthine
Spacefill model of bismuthine
  Bismuth, Bi
  Hydrogen, H
Names
IUPAC name
bismuthane
Other names
bismuth trihydride
hydrogen bismuthide
bismine
trihydridobismuth
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/Bi.3H ☒N
    Key: BPBOBPIKWGUSQG-UHFFFAOYSA-N ☒N
  • InChI=1/Bi.3H/rBiH3/h1H3
    Key: BPBOBPIKWGUSQG-PVKOQVOWAF
  • [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
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).
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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°.[1]

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.

  1. ^ W. Jerzembeck; H. Bürger; L. Constantin; L. Margulès; J. Demaison; J. Breidung; W. Thiel (2002). "Bismuthine BiH3: Fact or Fiction? High-Resolution Infrared, Millimeter-Wave, and Ab Initio Studies". Angew. Chem. Int. Ed. 41 (14): 2550–2552. doi:10.1002/1521-3773(20020715)41:14<2550::AID-ANIE2550>3.0.CO;2-B. PMID 12203530. Archived from the original on 2013-01-05.

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