Hafnium tetrafluoride
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| Names | |
|---|---|
| IUPAC names
Hafnium(IV) fluoride
Hafnium tetrafluoride | |
| Identifiers | |
| ECHA InfoCard | 100.033.856 |
CompTox Dashboard (EPA)
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| 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
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| Hazards | |
| Flash point | Non-flammable |
| Related compounds | |
Other anions
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Hafnium(IV) chloride |
Other cations
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Titanium(IV) fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
- ^ a b Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.66. ISBN 1-4398-5511-0.
- ^ 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
- 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
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