\begin{table}%t5
%\centering
\par
\caption{\label{Table5}Peak position of the bands formed after irradiation of CO:SO$_2$ as mixture and layered sample.}
\small \begin{tabular}{c c c }
\hline\hline\noalign{\smallskip}
\multicolumn{2}{c}{Wavenumber (cm$^{-1}$)} & Molecule \\
mixture & layered \\
\hline
3708 & 3708 &  CO$_2$\\
     & 2399 &  C$_3$O$_2$ \\
2347 & 2346 &  CO$_{2}$ \\
2281 & 2281 &  $^{13}$CO$_{2}$ \\
     & 2248 &  C$_{3}$O \\
2241 & 2242 &  C$_{3}$O$_{2}$ \\
     & 2212 &  C$_{5}$O$_{2}$ \\
2193 & 2193 &  OCC$^{13}$CO \\
     & 2180 &  C$_{7}$O$_{2}$ \\
     & 2123 &  C$_{7}$O$_{2}$ \\
     & 2062 &  C$_{5}$O$_{2}$ \\
2050 & 2050 &  OCS \\
     & 1989 &  C$_2$O\\
1875 & 1875 \\
1392--1401  & 1390--1402  &  SO$_{3}$ \\
     & 1205--1229 &           poly SO$_{3}$ \\
     & 1075 &  SO$_{3}$ \\
1041 & 1038 &  O$_{3}$ \\
659  & 660  &  CO$_2$\\
\hline  
\end{tabular}
\end{table}