\documentclass[a4paper]{article} \usepackage[T1]{fontenc} % Modern font encoding \usepackage[runs=2]{auto-pst-pdf} % Use EPS graphics with pdfLaTeX \usepackage{booktabs} % Better table layouts \usepackage[journal=rsc]{chemstyle} % Of course! \usepackage{geometry} % Easy page layout \usepackage{lmodern} % Use Latin Modern fonts \usepackage[version=3]{mhchem} % Formula subscripts using \ce{} \begin{document} \end{document}