\begin{table}
\par
  \caption{Fitting coefficients of CO-ortho-H$_2$ rates, following
  formula \ref{fitrates}. I and F are the initial and final
  rotation states, respectively. The rates thus obtained are in
  cm$^3$~s$^{-1}$.}
  \begin{tabular}{ccccccc}
   \hline \hline  I & F & $a_0$ & $a_1$ & $a_2$ & $a_3$ & $a_4$ \\
    \hline
    1 & 0 & $-$7.351 & $-$11.062 & 5.033 & 16.394 & $-$14.176 \\
    2 & 0 & 0.331 & $-$68.556 & 162.123 & $-$167.243 & 63.863 \\
    2 & 1 & 4.370 & $-$90.464 & 207.213 & $-$207.995 & 77.557 \\
    \hline
    3 & 0 & 4.128 & $-$88.472 & 191.123 & $-$181.945 & 64.170 \\
    3 & 1 & $-$1.466 & $-$57.252 & 138.316 & $-$144.752 & 55.539 \\
    3 & 2 & $-$0.194 & $-$61.716 & 141.443 & $-$142.699 & 53.788 \\
    \hline
    4 & 0 & $-$6.118 & $-$31.232 & 70.967 & $-$70.685 & 25.956 \\
    4 & 1 & 5.330 & $-$96.359 & 215.047 & $-$212.299 & 77.662 \\
    4 & 2 & $-$2.940 & $-$49.481 & 124.615 & $-$135.311 & 53.609 \\
    \hline
    4 & 3 & $-$1.454 & $-$53.713 & 122.102 & $-$121.151 & 44.472 \\
    5 & 0 & 5.241 & $-$96.162 & 206.655 & $-$199.255 & 72.234 \\
    5 & 1 & $-$6.365 & $-$27.561 & 61.697 & $-$61.299 & 22.802 \\
    \hline
    5 & 2 & 6.689 & $-$107.753 & 249.875 & $-$256.409 & 97.478 \\
    5 & 3 & $-$3.812 & $-$45.669 & 119.845 & $-$134.502 & 54.860 \\
    5 & 4 & 1.082 & $-$71.954 & 169.486 & $-$173.174 & 64.402 \\
    \hline                                                                               
  \end{tabular}
\end{table}