Hafnium tetrafluoride

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Hafnium(IV) fluoride
Zirconium(IV) fluoride
Names
IUPAC names
Hafnium(IV) fluoride
Hafnium tetrafluoride
Identifiers
ECHA InfoCard 100.033.856
Properties
HfF4
Appearance white crystalline powder
Density 7.1 g/cm3[1]
Boiling point 970 °C (1,780 °F; 1,240 K) (sublimes)[1]
Structure
Monoclinic, mS60[2]
C2/c, No. 15
a = 1.17 nm, b = 0.986 nm, c = 0.764 nm
Hazards
Flash point Non-flammable
Related compounds
Other anions
Hafnium(IV) chloride
Other cations
Titanium(IV) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☑Y verify (what is ☑Y☒N ?)
Infobox references

Hafnium tetrafluoride is the inorganic compound with the formula HfF4. It is a white solid. It adopts the same structure as zirconium tetrafluoride, with 8-coordinate Hf(IV) centers.

References[edit]

  1. ^ a b Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.66. ISBN 1439855110.
  2. ^ Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types". Acta Crystallographica. 2 (6): 388. doi:10.1107/S0365110X49001016.

Further reading[edit]

  • Benjamin, S. L., Levason, W., Pugh, D., Reid, G., Zhang, W., "Preparation and structures of coordination complexes of the very hard Lewis acids ZrF4 and HfF4", Dalton Transactions 2012, 41, 12548. doi:10.1039/C2DT31501G