\begin{table}%t1
%\centering
\par
\caption{\label{ccmodels}Summary of the seven collapsing cloud models.}
\begin{tabular}{ccl}
\hline\hline \noalign{\smallskip}
Model & $T$ (K) & HNCO formation chemistry\\
\hline
CC1 & 10 & All\\
CC2 & 10 & Gas phase only\\
CC3 & 10 & Surface only (reactions a,b)\\
CC4 & 10 & All, reduced sulphur\\
CC5 & 20 & All\\
CC6 & 50 & All\\
CC7 & 100 & All \\
\hline 
\end{tabular}
\tablefoot{$T$ is the isothermal temperature of the collapse.}
\end{table}