Fluoronium

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The estimated structure and dimensions of H2F+
The estimated[1] structure and dimensions of H2F+
Space-filling model of H2F+
Space-filling model of H2F+

The fluoronium cation, H2F+, is a polyatomic ion formed by protonation or self-ionic dissociation of hydrogen fluoride:

HF + H+ → H2F+

or

3HF ⇌ H2F+ + HF2−

Unlike for halonium ions based on chlorine, bromine or iodine (chloronium, H2Cl+, bromonium, H2Br+, iodonium, H2I+), hydrocarbyl derivatives of fluoronium, i.e. R2F+, remain unknown.

[edit] References

  1. ^ Diercksen, G. H. F.; von Niessen, W. & Kraemer, W. P. (September), “SCF LCGO MO studies on the fluoronium ion FH2+ and its hydrogen bonding interaction with hydrogen fluoride FH”, Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta) 31 (3): 205-214, doi:10.1007/BF00526510, <http://www.springerlink.com/content/v517wg14w47676r4/> 
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