Hypofluorous acid

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Hypofluorous acid
IUPAC name fluoranol
Other names oxygen fluoride hydride
Identifiers
InChI InChI=1/FHO/c1-2/h2H
InChIKey AQYSYJUIMQTRMV-UHFFFAOYAN
Standard InChI InChI=1S/FHO/c1-2/h2H
Standard InChIKey AQYSYJUIMQTRMV-UHFFFAOYSA-N
CAS number [14034-79-8]
ChemSpider 109936
Properties[1]
Chemical formula HOF
Molar mass 36.006 g mol−1
Appearance see text
Melting point

−117 °C

Boiling point

< 0 °C

Solubility in water reacts
Structure[2]
Molecular geometry bent: H–O = 96.4(10) pm, O–F = 144.2(1) pm, H–O–F = 97.2(6)°
Thermochemistry[3]
Std enthalpy of formation ΔfHo298 −98.32 kJ mol−1
Standard molar entropy So298 226.77 J K−1 mol−1
Related compounds
Other compounds Hypochlorous acid
Hypobromous acid
Hypoiodous acid
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Hypofluorous acid, HOF, is an unstable compound arising from the reaction of gaseous fluorine with water. It was first isolated in weighable quantities in 1971.[4]

Notes and references

Notes

References

  1. Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; p 1003. ISBN 0-08-022057-6.
  2. Kim, Hyunyong; Pearson, Edwin F.; Appelman, Evan H. Millimeter‐Wave Spectrum and Structure of Hypofluorous Acid: HOF and DOF. J. Chem. Phys. 1972, 56 (1), 1–3. DOI: 10.1063/1.1676830.
  3. Hypofluorous acid. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3DInChI=1S/FHO/c1-2/h2H>. (accessed 17 September 2010).
  4. Studier, Martin H.; Appleman, Evan H. Hypofluorous Acid. J. Am. Chem. Soc. 1971, 93 (9), 2349–51. DOI: 10.1021/ja00738a059.

External links

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