Hafnium tetrafluoride

Hafnium(IV) fluoride

Names
IUPAC names Hafnium(IV) fluoride Hafnium tetrafluoride
Identifiers
CAS Number	13709-52-9 Y
ECHA InfoCard	100.033.856
Properties
Chemical formula	HfF4
Appearance	white crystalline powder
Density	7.1 g/cm3
Boiling point	970 °C (1,780 °F; 1,240 K) (sublimes)
Structure
Crystal structure	Monoclinic, mS60
Space group	C2/c, No. 15
Lattice constant	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  (what is YN ?)
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.