\begin{table}%t1
\par
      \caption {\label{table:1}$LS$ target state energies in Rydbergs relative to the $3{{\rm d}}^{9}$ $^{2}{{\rm D}}^{{\rm e}}$ 
      \ion{Ni}{ii} ground state.}
      %\centerline
 {
      \begin{tabular}{cccc}
            \hline\hline
            \noalign{\smallskip}
	    Term & $LS$ Energy & S \& C & Bautista \\
	    \hline
3d$^{9}$ $^{2}$D$^{{\rm e}}$ &      0.0000 & 0.0000 & 0.0000 \\     
3d$^{8}$4s $^{4}$F$^{{\rm e}}$ &      0.1098 & 0.0798 & 0.0287 \\    
3d$^{8}$4s $^{2}$F$^{{\rm e}}$ &       0.1616 & 0.1236 & 0.0759 \\   
3d$^{8}$4s $^{4}$P$^{{\rm e}}$ &      0.2735 & 0.2128 & 0.1956 \\   
3d$^{8}$4s $^{2}$D$^{{\rm e}}$ &       0.2766 & 0.2181 & 0.1955 \\   
3d$^{8}$4s $^{2}$P$^{{\rm e}}$   &      0.3258 & 0.2610 & 0.2422 \\   
3d$^{8}$4s $^{2}$G$^{{\rm e}}$   &      0.3522 & 0.2908 & 0.2714 \\   
3d$^{7}$4s$^{2}$ $^{4}$F$^{{\rm e}}$   &      0.5948 & 0.4699 & 0.3905 \\   
3d$^{8}$4p $^{4}$D$^{{\rm o}}$   &       0.4881 & 0.4737 & 0.4096 \\   
3d$^{8}$4p $^{4}$G$^{{\rm o}}$ &       0.5019 & 0.4855 & 0.4265 \\   
\hline
\end{tabular}}
\par
\tablefoot {S \& C are the observed values of Sugar \& Corliss (\cite{sugar85}) as presented in the NIST
      database and Bautista represents the theoretical predictions of Bautista \cite{bautista04}.}
      \vspace*{5mm}
\end{table}