+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.97\, eV$
+ \item 3 identical weak bonds
+ \item displaced in volume\\ diagonal
+ \end{itemize}
+ \end{minipage}
+ \hspace{0.3cm}
+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.75\, eV$
+ \item 4 identical weak bonds
+ \item displaced in plane\\ diagonal
+ \end{itemize}
+ \end{minipage}
+ \hspace{0.3cm}
+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.56\, eV$
+ \item single weak bond
+ \item displaced along\\ $x$-direction
+ \item closest to tetrahedral\\ configuration
+ \end{itemize}
+ \end{minipage}
+
+ \vspace{8pt}
+
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_397_0.eps}
+ \end{minipage}
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_375_0.eps}
+ \end{minipage}
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_356_0.eps}
+ \end{minipage}
+
+ \vspace{8pt}
+
+ \begin{center}
+ {\footnotesize
+ {\bf Note:} Displacements relative to tetrahedral configuration
+ }
+ \end{center}