\begin{table}%t2
%\centering
\par
\caption {\label{tab2}Parameters of the collapse models for the initial
\mbox{configurations}~IC.} 
\begin{tabular}{cccccc}
\hline\hline 
\noalign{\smallskip}
IC & $\alpha_0$ & $\beta_0$ & $\alpha_0 \times \beta_0$ &
$\alpha_0+\beta_0$ & $\Omega_{\rm c} \times 10^{-13} ~\rm s^{-1}$ \\
\hline 
IC0 & $0.2643$ & $0.1618$ & 0.0428 & $0.4261$ & 5.80 \\
IC1 & $0.3002$ & $0.1114$ & 0.0334 & $0.4116$ & 3.90 \\
IC2 & $0.3350$ & $0.0657$ & 0.0220 & $0.4007$ & 2.96 \\
IC3 & $0.3547$ & $0.0374$ & 0.0133 & $0.3921$ & 2.22 \\
\hline 
\end{tabular}
\end{table}