\begin{table}%T2
%\centering
\par
\caption{\label{t2}Electronic states and calculated relative enthalpies at 0~K of the lowest energy isomers of [SiPAH]$^{0/+}$, with respect to the most stable dissociation products (Si($^3$P) + PAH) and (Si($^3$P) + PAH$^+$) (corresponding to $\Delta H$(0~K)) and with respect to (Si$^+$($^2$P) + PAH) (corresponding to $\Delta H'$(0~K)) at the B3LYP/D95++** level of theory. $E_{\rm b}$(Si-PAH$^{0/+}$) = $-\Delta H$(0~K).}
\begin{tabular}{ccccccc}
\hline \hline  
 & Electronic & $\Delta H$(0~K) & & Electronic & $\Delta H$(0~K) & $\Delta H'$(0~K)\\
 & state & (eV) & & state & (eV) & (eV)\\
\hline 
$[$SiC$_{10}$H$_8]^0$ & $^3$A$''$ & --0.54 & $[$SiC$_{10}$H$_8]$$^+$ & $^2$A$'$ & --2.67 & --2.99\\
$[$SiC$_{16}$H$_{10}]^0$ & $^3$A$''$ & --0.58 & $[$SiC$_{16}$H$_{10}]$$^+$ (1) & $^2$A & --2.08 & --3.11\\
 & & & $[$SiC$_{16}$H$_{10}]$$^+$ (2) & $^2$A & --1.86 & --2.89\\
$[$SiC$_{24}$H$_{12}]^0$ & $^3$A$''$ & --0.58 & $[$SiC$_{24}$H$_{12}]$$^+$ & $^2$A & --1.95 & --3.09\\
$[$SiC$_{32}$H$_{14}]^0$ & $^3$A$''$ & --0.49 & $[$SiC$_{32}$H$_{14}]$$^+$ (1) & $^2$A & --1.69 & --3.40\\
 & & & $[$SiC$_{32}$H$_{14}]$$^+$ (2) & $^2$A & --1.58 & --3.29\\
 & & & $[$SiC$_{32}$H$_{14}]$$^+$ (3) & $^2$A & --1.57 & --3.29\\
\hline
\end{tabular}
\end{table}