\begin{table}%t10
%%\centering

\par
\caption{\label{Gas phase abundances - freeze out}Gas phase abundances -- freeze out.}
\begin{tabular}{llllllll} 
\hline\hline \noalign{\smallskip}
                 & Time (years) & C & CO & CO$_2$ & H & H$_2$ & O \\ 
\hline\noalign{\smallskip}
Model 1 & $3.67 \times 10^6$   & 6.76 $\times 10^{-5}$   & 8.34 $\times 10^{-7}$  & $7.95 \times 10^{-14}$  & 7.79 $\times 10^{-1}$   & 1.11 $\times 10^{-1}$  & $1.71 \times 10^{-4}$ \\
Model 2 & $7.94 \times 10^5$   & 5.81 $\times 10^{-5}$   & 1.27 $\times 10^{-5}$  & $3.97 \times 10^{-11}$  & 7.64 $\times 10^{-1}$   & 1.18 $\times 10^{-1}$  & $1.61 \times 10^{-4}$ \\
Model 3 & $1.25 \times 10^4$   & 6.99 $\times 10^{-5}$   & 9.23 $\times 10^{-7}$  & $1.07 \times 10^{-12}$  & 9.73 $\times 10^{-1}$   & 1.33 $\times 10^{-2}$  & $1.71 \times 10^{-4}$ \\
Model 4 & $1.81 \times 10^7$   & 5.67 $\times 10^{-5}$   & 1.13 $\times 10^{-5}$  & $1.46 \times 10^{-11}$  & 3.10 $\times 10^{-1}$   & 3.45 $\times 10^{-1}$  &$ 1.60 \times 10^{-4}$ \\
Model 5 & $4.42 \times 10^6$   & 3.69 $\times 10^{-6}$   & 6.55 $\times 10^{-5}$  & $3.69 \times 10^{-7}$   & 2.20 $\times 10^{-1}$   & 3.90 $\times 10^{-1}$  & $9.64 \times 10^{-5}$ \\
Model 6 & $1.25 \times 10^4$   & 6.99 $\times 10^{-5}$   & 9.23 $\times 10^{-7}$  & $1.07 \times 10^{-12}$  & 9.73 $\times 10^{-1}$   & 1.33 $\times 10^{-2}$  & $1.71 \times 10^{-4}$ \\
Model 7 & $2.51 \times 10^4$   & 6.08 $\times 10^{-5}$   & 6.07 $\times 10^{-6}$  & $5.95 \times 10^{-9}$   & 3.48 $\times 10^{-5}$   & 5.00 $\times 10^{-1}$  & $1.61 \times 10^{-4}$ \\
Model 8 & $2.51 \times 10^4$   & 6.08 $\times 10^{-5}$   & 6.06 $\times 10^{-6}$  & $5.94 \times 10^{-9}$   & 3.47 $\times 10^{-5}$   & 5.00 $\times 10^{-1}$  & $1.61 \times 10^{-4}$ \\
\hline
\end{tabular}
\end{table}