I think what Eric is referring to is: #+latex_header: \usepackage[version=3]{mhchem} @@latex:\ce{^{147}Pm}@@ that exports for me. \nbsp{}^{147}Pm also seems to work, but might put an extra space in. you might prefer \phantom{}^{147}Pm John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Mon, May 18, 2015 at 12:09 PM, Eric S Fraga wrote: > On Monday, 18 May 2015 at 11:43, Lawrence Bottorff wrote: > > Apparently, chemists cannot do Emacs and/or org-mode when they want to > > prefix the super- bzw. sub-script without a kudge? > > I've recently have had to start writing papers with significant amounts > of chemistry in them. I simply use the mhchem package which supports > all types of chemical notation... org is quite happy with it for simple > entries although you may need to @@...@@ escape more complex entries. > > However, if you wanted something portable, i.e. that could export to > other targets, then this won't help you. Sorry! > -- > : Eric S Fraga (0xFFFCF67D), Emacs 24.4.1, Org release_8.3beta-1136-g0e7062 > >