I have written a series of blog posts about chemistry and LaTeX in the German blog TeXwelt.de. The series covers the basics with chemmacros, reactions and formulae with chemformula and mhchem, skeletal formulae with chemfig, safety data, numbering of compounds, and special kinds of diagrams.
A fix has been necessary to make `chemmacros’ work for MiKTeX users, too. v3.3b should work now.
With v3.3 the chemmacros bundle supports not only English and German but also French and Italian. Other languages could easily be added if users want it. If you need another language simply a) send me an email to the address specified in the documentation b) add a comment to this…
chemmacros has been updated recently. With the macros alone there have not been many changes. A few new ones: