\begin{table}%T2
%\centering
\par
\caption{Gas phase abundances (molar mixing ratio with respect to~H$_2$) of major species in the
solar nebula (from Lodders \cite{Lodders03}) for CO$_2$:CO:CH$_4$~=~30:10:1 and N$_2$:NH$_3$~=~1.}
\label{table_L03}
\begin{tabular}[]{lclc}
\hline
\hline
\noalign{\smallskip}
Species $i$ & $x_i$ & Species $i$ & $x_i$\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
O &   $1.16 \times 10^{-3}$& N$_2$  &   $5.33 \times 10^{-5}$  \\
C &  $5.82 \times 10^{-4}$  & NH$_3$  &  $5.33 \times 10^{-5}$ \\
N &  $1.60 \times 10^{-4}$ & S & $3.66 \times 10^{-5}$\\
H$_2$O  & $1.66 \times 10^{-4}$ & Ar & $8.43 \times 10^{-6}$ \\
CO$_2$  & $4.26 \times 10^{-4}$ & Kr & $4.54 \times 10^{-9}$ \\
CO  & $1.42 \times 10^{-4}$  & Xe  & $4.44 \times 10^{-10}$ \\
CH$_4$  & $1.42 \times 10^{-5}$ \\
\hline
\end{tabular}
\end{table}