Text Formatting ⇒ True align ding number with baseline of text

[cgnieder]

Do you mean like this?

Code: Select all

\documentclass{scrartcl}
\usepackage{chemmacros}
\newcommand{\ci}[1]{\tikz[baseline=(char.base)]{\node[shape=circle,draw,inner sep=1pt] (char) {#1};}}
\begin{document}

\begin{alignat*}{1}
 (-1)\times \ci{1}& ~ \ce{H2O + KCl -> NH2 + CO2} \\
           \ci{2}& ~ \ce{H2O -> CO3 + H3O+}
\end{alignat*}

\newreaction[arg,star]{reactionat}{alignat}
\begin{reactionat*}{1}
 (-1)\times \ci{1}& ~ H2O + KCl -> NH2 + CO2 \\
           \ci{2}& ~ H2O -> CO3 + H3O+
\end{reactionat*}

\end{document}

[ghostanime2001]

You are highly skilled sir, how long have you been doing latex for?

[cgnieder]

Please don't call me sir, that makes me feel old...

I'm really not that skilled -- there are far more experienced users and programmers out there. I'm still in the learning process. But then ... one always is, right?
It might be about eight years ago when I wrote my first document with LaTeX, I'm not quite sure...

[ghostanime2001]

I started in highschool but didn't get far this summer is when i really wanted to compile my homework as much as possible to save space.

[ghostanime2001]

How do you put the alignat* into a tabular or array environment because I want to use \hline together with the booktabs package.

[cgnieder]

I would use a simple tabular for that:

Code: Select all

\documentclass{article}
\usepackage[version=3]{mhchem}
\usepackage{tikz,array,booktabs}
\newcommand{\ci}[1]{\tikz[baseline=(char.base)]{\node[shape=circle,draw,inner sep=1pt] (char) {#1};}}
\begin{document}

\setlength\extrarowheight{3pt}
\begin{tabular}{>{$}r<{$}rl}
 (-1)\times \ci{1} & \ce{CO + 1/2 O2 -> CO2} \\
           \ci{2} & \ce{C + O2 -> CO2} \\\midrule
                  & \ce{C + 1/2 O2 -> CO}
\end{tabular}

\end{document}