\usepackage[T1]{fontenc}  % proper encoding for output file
\usepackage[utf8]{inputenc}  % except UTF-8 character in source
\usepackage[english]{babel}  % set document language
\usepackage{amsmath,amsfonts,amsthm}  % math type setting
\usepackage{mhchem}  % chemical expressions
\usepackage{graphicx}  % inclue graphics
\usepackage{url}
\usepackage{caption}
\usepackage{subcaption}
\setlength\parindent{0pt} % Removes all indentation from paragraphs

\pdfinfoomitdate 1  % Omit creation and modification timestamp.
\pdftrailerid{}  % Remove ID

% Macro to conveniently typeset chemical symbols.
\newcommand{\symb}[1]{$\,\mathrm{#1}$}
