\begin{table}%t4
\caption{\label{basis_scale}The target configuration basis and orbital scaling parameters.}
%\centering
\par
\begin{tabular}{llllll}
\hline\hline\noalign{\smallskip}
\multicolumn{3}{c}{Configurations} &    \multicolumn{3}{l}{Scaling parameters\tablefootmark{\dagger}} \\
\hline\noalign{\smallskip}
 & 3s$^2$~3p$^2$  & 3s~3p$^3$         &     &     1s  & 1.40094 \\
 & 3p$^4$     &                         &     &     2s  & 1.11468 \\
 & 3s~3p$^2$~3d & 3s$^2$~3p~3d     &     &     3s  & 1.13314 \\
 &                & 3p$^5$~3d          &     &     2p  & 1.05769 \\
 & 3s$^2$~3d$^2$ & 3s~3p~3d$^2$      &     &     3p  & 1.10557 \\
 & 3p$^2$~3d$^2$     &                 &     &     3d  & 1.13097 \\
 & 3s~3d$^3$ &  3p~3d$^3$     &     &         &    \\
\hline
\end{tabular}
\tablefoot {\tablefoottext{\dagger}{See text for physical significance of the scaling parameters.}}
\end{table}