Chlorine monofluoride

From Wikipedia, the free encyclopedia

Chlorine monofluoride
CAS number [7790-89-8]
Properties
Molecular formula ClF
Molar mass 54.45 g mol−1
Density 1.62 g mL
(liquid, −100 °C)
Melting point

−155.6 °C
Boiling point

−100.1 °C
Structure
Dipole moment 0.881 D
(2.94 × 10−30 C m)
Thermochemistry
Std enthalpy of
formation ΔfHo298		 −56.5 kJ mol−1
Standard molar
entropy So298		 217.91 J K−1 mol−1
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Chlorine monofluoride is a volatile interhalogen compound with the chemical formula ClF. It is a colourless gas at room temperature and is stable even at high temperatures. When cooled to −100 °C, ClF condenses as a pale yellow liquid. Many of its properties are intermediate between its parent halogens, Cl2 and F2.[1]

[edit] Reactivity

Chlorine monofluoride is a versatile fluorinating agent, converting metals and non-metals to their fluorides and releasing Cl2 in the process:

W + 6ClF → WF6 + 3Cl2
Se + 4ClF → SeF4 + 2Cl2

ClF can also chlorofluorinate compounds, either by addition across a multiple bond or via oxidation:

CO + ClF →

[edit] References

  1. Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the Elements, 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4. 
  1. ^ Otto Ruff, E. Ascher (1928). "Über ein neues Chlorfluorid-CIF3". Zeitschrift für anorganische und allgemeine Chemie 176 (1): 258-270. doi:10.1002/zaac.19281760121. 

[edit] External links

 This inorganic compound-related article is a stub. You can help Wikipedia by expanding it.