Chromium(II) silicide

Chromium(II) silicide
Names
IUPAC name
Chromium(2+) silicide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.472
EC Number
  • 234-633-0234-633-0
  • InChI=1S/Cr.2Si
    Key: CHXGWONBPAADHP-UHFFFAOYSA-N
  • [Si-]#[Si-].[Cr+2]
Properties
CrSi2
Molar mass 108.167 g/mol
Appearance white powder
Odor odorless
Density 4.91 g/cm3
Melting point 1,490 °C (2,710 °F; 1,760 K)
insoluble
Band gap 0.35 eV (indirect)
−0.5×10−6 emu/g
Structure
Hexagonal, hP9
P6222, No. 180
a = 0.44268 nm, c = 0.63751 nm
3
Hazards
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 1 mg/m3
REL (Recommended)
 TWA 0.5 mg/m3
IDLH (Immediate danger)
 250 mg/m3
Related compounds
Other cations
 Molybdenum disilicide
Tungsten disilicide
Related compounds
 Chromium(IV) silicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Chromium(II) silicide or chromium disilicide is an inorganic compound of chromium and silicon. Its chemical formula is CrSi2. It is a p-type thermoelectric semiconductor with an indirect bandgap of 0.35 eV.

This article is issued from Wikipedia. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.