On Thu, 1 Nov 2018 07:46:40 +0000 Richard Wordingham via Unicode <[email protected]> wrote:
> On Wed, 31 Oct 2018 23:35:06 +0100 > Piotr Karocki via Unicode <[email protected]> wrote: > > > These are only examples of changes in meaning with <sup> or <sub>, > > not all of these examples can really exist - but, then, another > > question: can we know what author means? And as carbon and iodine > > cannot exist, then of course CI should be interpreted as carbon on > > first oxidation? > > Are you sure about the non-existence? Some pretty weird > chemical species exist in interstellar space. It's not interstellar, but CI is the empirical formula for diiodoethyne and its isomer iodoiodanuidylethyne, and the CI⁻ ion has Pubchem CID 59215341. Richard.

