Does the hyponitrite molecule exist? I know the hyponitrite ion exists (http://en.wikipedia.org/wiki/Hyponitrite) but what about the molecule?

I have found no reference to the molecular form on Wikipedia. But it does seem that such a molecule could at least come together through the dimerization of nitric oxide.

  • $\begingroup$ Apparently, $\ce{NO}$ does indeed dimerize at low temperature. Plenty of references come up in a search, and this is mentioned on the Wikipedia page for nitric oxide. $\endgroup$
    – Greg E.
    Commented Jun 11, 2014 at 18:25

1 Answer 1


Yes, see Structural and Stablity of Nitric Oxide Dimer.

Just don't call it "hyponitrite molecule", it might get offended.


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