Hafnium tetrabromide

Hafnium tetrabromide
Hafnium tetrabromide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.001 Edit this at Wikidata
EC Number
  • 237-416-9
  • InChI=1S/4BrH.Hf/h4*1H;/q;;;;+4/p-4
    Key: FEEFWFYISQGDKK-UHFFFAOYSA-J
  • Br[Hf](Br)(Br)Br
Properties
Br4Hf
Appearance colorless solid
Density 5.094 g/cm3
Hazards
GHS labelling:
GHS05: Corrosive
Danger
H314
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Hafnium tetrabromide is the inorganic compound with the formula HfBr4. It is the most common bromide of hafnium. It is a colorless, diamagnetic moisture sensitive solid that sublimes in vacuum.[1] It adopts a structure very similar to that of zirconium tetrabromide, featuring tetrahedral Hf centers, in contrast to the polymeric nature of hafnium tetrachloride.[2]

References

  1. ^ W. Thomas, H. Elias "Darstellung von HfCl4 und HfBr4 durch Umsetzung von Hafnium mit Geschmolzenen Metallhalogeniden" Journal of Inorganic and Nuclear Chemistry 1976, Volume 38, Pages 2227–2229. doi:10.1016/0022-1902(76)80199-6
  2. ^ Berdonosov, S. S.; Berdonosova, D. G.; Lapitskii, A. V.; Vlasov, L. G. "X-ray study of hafnium tetrabromide" Zhurnal Neorganicheskoi Khimii, 1963, vol. 8, 531-2.

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