\begin{table}%t3
  \caption{Cross-sections and radiochemical yields for molecules identified in present experiment.\label{t3}}
  %\centering
\par
  \begin{tabular}{l l l l l}
  \hline \hline\noalign{\smallskip}
  Molecules      & Projectile         & $\sigma$ ($10^{-15}$~cm$^{2}$)  & $G$ (molecules/100 eV)  & Reference                 \\
  \hline\noalign{\smallskip}
  CO             & 50~MeV~Ni$^{13+}$  & 100                             & --5.9                  & This work                 \\
                 & 537~MeV~Ni$^{24+}$ & 30                              & --2.5                  & This work                 \\
                 & 200~keV~H$^{+}$    & 0.28                            & --0.79                 & Loeffler et~al. (\cite{Loeffler2005})    \\
                 & 10.2~eV~photons    & 0.0003                          &                       & Loeffler et~al. (\cite{Loeffler2005})    \\
                 & $>$6~eV~photons   & $<$0.000001                    &                       & Cottin et~al. (\cite{Cottin2003})      \\
                 & $>$6~eV~photons   & $<$0.00008                     &                       & Gerakines et~al. (\cite{Gerakines1996})   \\
  \hline\noalign{\smallskip}
  CO$_{2}$       & 50~MeV~Ni$^{13+}$  & 20                              & 1.2                   & This work                 \\
                 & 537~MeV~Ni$^{24+}$ & 18                              & 1.5                   & This work                 \\
                 & 200~keV~H$^{+}$    & 6                               & 0.62                  & Loeffler et~al. (\cite{Loeffler2005})    \\
                 & 800~keV~H$^{+}$    &                                 & 0.25                  & Gerakines \& Moore (\cite{Gerakines2001}) \\
                 & 10.2~eV~photons    & 0.017                           & 0.59                  & Loeffler et~al. (\cite{Loeffler2005})    \\
                 & 10.2~eV~photons    &                                 & 0.9                   & Gerakines \& Moore (\cite{Gerakines2001}) \\
                 & $>$6~eV~photons   & 0.000013                        &                       & Gerakines et~al. (\cite{Gerakines1996})   \\
  \hline\noalign{\smallskip}
  O$_{3}$        & 50~MeV~Ni$^{13+}$  & 0.3                             & 0.018                 & This work                 \\
  \hline\noalign{\smallskip}
  C$_{3}$O$_{2}$ & 50~MeV~Ni$^{13+}$  & 3                               & 0.18                  & This work                 \\
                 & 537~MeV~Ni$^{24+}$ & 25                              & 2.2                   & This work                 \\
                 & 800~keV~H$^{+}$    &                                 & 0.24                  & Gerakines \& Moore (\cite{Gerakines2001}) \\
                 & 10.2~eV~photons    &                                 & 0.014                 & Gerakines \& Moore (\cite{Gerakines2001}) \\
  \hline\noalign{\smallskip}
  C$_{5}$O$_{2}$ & 50~MeV~Ni$^{13+}$  & 0.45                            & 0.027                 & This work                 \\
                 & 537~MeV~Ni$^{24+}$ & 0.23                            & 0.02                  & This work                 \\
  \hline\noalign{\smallskip}
  C$_{2}$O       & 50~MeV~Ni$^{13+}$  & 2                               & 0.12                  & This work                 \\
  \hline\noalign{\smallskip}
  C$_{3}$        & 50~MeV~Ni$^{13+}$  & 0.15                            & 0.0089                & This work                 \\
  \hline
  \end{tabular}
  \medskip
\par
  \tablefoot{The presented value for CO molecules are destruction cross-sections, while for other molecules the formation cross-sections are given.}
\end{table}