\begin{table}%t2
\caption{\label{t-coeff-tcube}Components of the residual acceleration~$\ddot{r}$, as for Table~\protect\ref{t-coeff}, for the truncated cube space, separated by fundamental domain face shape.}
\small%\centerline
 {
\begin{tabular}{c c c r r r r} 
\hline  \hline
&&&&&& \\[-8pt]
\mbox{space} 
& \mbox{term}
& $\parallel/\perp$
& $\left<a_i\right>$
& $\sigma_{\left<a_i\right>}$
& $\sigma_i$
& $\gamma_i$ \\[2pt]
\hline 
&&&&&& \\[-8pt] 
${\rm octagonal}\notea$ & $(r/\rC)^3$ & $\parallel$ &       --0.00 &       0.04 &      17.46 &       0.58  \\ 
{\rm octagonal} & $(r/\rC)^3$ & $\perp$ &       18.27 &       0.02 &       6.89 &      --0.43  \\ 
${\rm triangular}\noteb$ & $(r/\rC)^3$ & $\parallel$ &        0.00 &       0.01 &       3.19 &      --0.58  \\ 
{\rm triangular} & $(r/\rC)^3$ & $\perp$ &        3.33 &       0.00 &       1.26 &      --0.43  \\ 
\hline
\end{tabular}}
\medskip
$\notea$ Contribution from the octagonal (truncated square) faces;
$\noteb$~contribution from the triangular faces.
\end{table}