Am 25.06.2010 um 15:07 schrieb Herbert Schulz: > On my system this compiles fine with pdflatex Herb, does it show more than the molecule? Which TeX Live? What is the list of files loaded? There must be the one which defines the missing \writestatus... -- Greetings Pete Life is the only flaw in an otherwise perfect nonexistence – Schopenhauer