\begin{table}%t1
\caption{\label{t1}List of simulations performed.}         
%\centerline
{    
\begin{tabular}{c l l r r c }     % 7 columns 
\hline\hline       
  Serial & Experimental &  Pre-collision & $P_{\rm ext}^{*}$ & Number of & Head-on$^{\star}$\\
No. & details & Mach number $(\mathcal{M})$ & & particles &  \\
\hline
  1 & $M_{\rm cld1} = M_{\rm cld2} = 100~M_{\odot}$ & 35 & Yes & $N_{\rm tot} = 34~893$ & Yes \\
& $R_{\rm cld1} = R_{\rm cld2} = 1$ pc, $T_{\rm cld} = 84$ K & & & $N_{\rm gas} = 3516$  &  \\
\hline
 2 & $M_{\rm cld1} = M_{\rm cld2} = 50~M_{\odot}$ & 25 & Yes & $N_{\rm tot} = 129~427$ & Yes \\
& $R_{\rm cld1} = R_{\rm cld2} = 0.8$ pc, $T_{\rm cld} = 54$ K & & & $N_{\rm gas} = 16~000$ &   \\
\hline
 3 & $M_{\rm cld1} = M_{\rm cld2} = 400~M_{\odot}$ & 25 & No & $N_{\rm gas} = 120~000$ & Yes \\
& $R_{\rm cld1} = R_{\rm cld2} = 2.0$ pc, $T_{\rm cld} = 170$ K & & & & \\
\hline
 4 & $M_{\rm cld1} = M_{\rm cld2} = 50~M_{\odot}$ & 25 & No & $N_{\rm gas} = 40~000$ & No \\
& $R_{\rm cld1} = R_{\rm cld2} = 0.8$ pc, $T_{\rm cld} = 54$ K & & & & $b = 0.2$ pc\\
\hline                  
\end{tabular}}
\par
\medskip{* Clouds  confined by external pressure, $P_{\rm ext}$, exerted by the ICM particles. \\ 
$\star$ Indicates if the clouds were allowed to collide head-on/off-centre; $b$ is the impact parameter of collision.}
\end{table}