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Commonly, the empirical formula $\ce{N2O}$ refers to the molecule with structure $\ce{N\bond{~--}N\bond{~-}O}$. Is the isomer $\ce{N-O-N}$ known to exist? I'm guessing it is significantly less stable than the NNO isomer, but that doesn't mean it's completely unknown.

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    $\begingroup$ What's your definition of existing? For that, being in minimum on PES would be already something. It's existence is fleeting, at best. $\endgroup$
    – Mithoron
    Jan 29, 2021 at 20:37
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    $\begingroup$ I don't know what PES is, but I'd take any one paper claiming to have synthesized and characterized it as a good start on evidence. $\endgroup$
    – zwol
    Jan 29, 2021 at 20:41
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    $\begingroup$ @zwol PES is a potential energy surface. $\endgroup$
    – andselisk
    Jan 29, 2021 at 20:47
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    $\begingroup$ Synthesized and characterized are the things that it was not. $\endgroup$ Jan 29, 2021 at 21:30
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    $\begingroup$ See this papers where cyclic and linear NON isomers of N2O are calculated: pubmed.ncbi.nlm.nih.gov/11209870 ... researchgate.net/publication/… $\endgroup$ May 8, 2021 at 10:38

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