Boron triiodide

Boron triiodide[1]
Names
IUPAC name
triiodoborane
Identifiers
13517-10-7 
ChemSpider 75378 Yes
Jmol-3D images Image
PubChem 83546
RTECS number ED7400000
Properties
BI3
Molar mass 391.52 g/mol
Appearance crystalline solid
Density 3.35 g/cm3 (50 °C)
Melting point 49.9 °C (121.8 °F; 323.0 K)
Boiling point 210 °C (410 °F; 483 K)
reacts
Solubility soluble in CCl4, CS2, benzene, chloroform
Dipole moment 0D
Structure
Crystal structure trigonal
Thermochemistry
Specific
heat capacity (C)
71 J/mol K
200 J/mol K
Std enthalpy of
formation (ΔfHo298)
-37.2 kJ/mol
Hazards
MSDS Sigma-Aldrich
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 3: Short exposure could cause serious temporary or residual injury. E.g., chlorine gas Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
0
3
0
Flash point −18 °C (0 °F; 255 K)
Related compounds
Related compounds
Boron trifluoride
Boron trichloride
Boron tribromide
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Boron triiodide is a chemical compound of boron and iodine with chemical formula BI3. It has a trigonal planar molecular geometry. It is a crystalline solid, which reacts vigorously with water to form boric acid.[2] Its dielectric constant is 5.38 and its heat of vaporization is 40.5 kJ/mol. At extremely high pressures, BI3 becomes metallic at ~23 GPa and is a superconductor above ~27 GPa. [3]

Preparation

Boron triiodide can be prepared by the reaction of boron with iodine at 209.5 °C or 409.1 °F.

References

  1. Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  2. http://www.sciencemadness.org/talk/files.php?pid=110072&aid=4171
  3. http://journals.aps.org/prb/abstract/10.1103/PhysRevB.82.094506

External links

HI He
LiI BeI2 BI3 CI4 NI3 I2O4,
I2O5,
I4O9
IF,
IF3,
IF5,
IF7
Ne
NaI MgI2 AlI3 SiI4 PI3,
P2I4
S ICl,
ICl3
Ar
KI CaI2 Sc TiI4 VI3 CrI3 MnI2 FeI2 CoI2 NiI2 CuI ZnI2 Ga2I6 GeI2,
GeI4
AsI3 Se IBr Kr
RbI SrI2 Y ZrI4 Nb Mo Tc Ru Rh Pd AgI CdI2 InI3 SnI4,
SnI2
SbI3 TeI4 I Xe
CsI BaI2   Hf Ta W Re Os Ir Pt AuI Hg2I2,
HgI2
TlI PbI2 BiI3 Po AtI Rn
Fr Ra   Rf Db Sg Bh Hs Mt Ds Rg Cn Uut Fl Uup Lv Uus Uuo
La Ce Pr Nd Pm SmI2 Eu Gd TbI3 Dy Ho Er Tm Yb Lu
Ac ThI4 Pa UI3,
UI4
Np Pu Am Cm Bk Cf Es Fm Md No Lr