\begin{table}%t6
\caption{\label{table:dis}Relative logarithmic partial pressures at $\log \tau_{\rm Ross}=0$, and dissociation energies of some relevant molecules for a model of Arp~4329.}              
%\centering
\small                           
\begin{tabular}{c c c }         
\hline\hline                  
%&&& \\[-8pt]
Molecule & $\log \{P_{\rm CO}/P_{\rm  H}\}$ & $D^0_0$\\     
 &  at $\log\tau_{\rm Ross}=0$ & \\
\hline   
CO &  $-5.8$ &  11.09\\       
   OH & $-7.0$ & 4.39\\
  N$_2$ &  $-8.1$& 9.76\\
  NH & $-8.7$& 3.42\\
 CN & $-9.7$ & 7.76\\
 NO  & $-9.9$ & 6.50 \\
\hline                                    
\end{tabular}
\end{table}