\begin{table}%t2
%\centering
\par
\caption {\label{tab_multiplets}Complex multiplet structures, degree of deviation and degree of asymmetry.}
\begin{tabular}{lcclc}
\hline \hline
\noalign{\smallskip}
Multiplet & No. of freq. & $\delta f$ & $Q-\bar{Q}$ &\\
& & \multicolumn{1}{c}{${\rm [d^{-1}]}$} \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
Triplet & 34&0.000093  & 0.43 &\\
Quintuplet &31& --0.000115 &--0.1  &\\
Septuplet &34 &0.003519  & --0.21 &\\
Nonuplet & 28 & 0.001067 & 0.21 &\\
Undecaplet & 21 & 0.0026 & 0.18 &\\
Tredecaplet & 15 & 0.0045 & --0.77 &\\
Quindecaplet & 5 & 0.008276 & 0.35 &\\
Septdecaplet & 1 &  &  &\\
\hline
\end{tabular}
\end{table}