Hafnium tetrafluoride

Hafnium(IV) fluoride: HfF4
Names
IUPAC names
Hafnium(IV) fluoride
Hafnium tetrafluoride
Identifiers
13709-52-9 Yes
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
Crystal structure Monoclinic, mS60[2]
Space group C2/c, No. 15
Lattice constant a = 1.17 nm, b = 0.986 nm, c = 0.764 nm
Hazards
EU Index Not listed
Flash point Non-flammable
Related compounds
Other anions
 Hafnium(IV) chloride
Other cations
 Titanium(IV) fluoride
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

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

  1. ↑ 1.0 1.1 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