I've seen so many compounds containing xenon, and xenon was mostly the central atom, and if we had 2 xenons they would never bond directly to each other. I was curious if it is possible to have for example 2 xenons in a compound that are bonded directly to each other?
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$\begingroup$ As you said yourself, we haven't seen any examples yet. $\endgroup$– Ivan NeretinMar 27 at 8:15
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$\begingroup$ From a quick search, ncbi.nlm.nih.gov/pmc/articles/PMC7435756 explains: "Noble gas (or aerogen) bond (NgB) can be outlined as the attractive interaction between an electron-rich atom or group of atoms and any element of Group-18 acting as an electron acceptor." $\endgroup$– Buck Thorn ♦Mar 27 at 10:30
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One example is the $\ce{Xe2+}$ cation. Quoting from the abstract of Formation of the dixenon cation, $\ce{Xe2+}$, in fluoroantimonate(V) media by oxidation–reduction methods: spectroscopic properties of the ion
A green species has been generated both by oxidation of gaseous xenon with a dioxygenyl salt and by reduction in antimony pentafluoride solution of the $\ce{XeF+}$ cation, e.g. with water or a suitable metal; the Raman, u.v.-visible and e.s.r. spectra of the product are all consistent with the identity $\ce{Xe2+}$, representing the first homonuclear noble-gas cation to be characterized in the condensed phases.
