\documentclass[border=10pt]{standalone}
\usepackage{smartdiagram,bm,physics,tcolorbox}
\usepackage{tgchorus}
\usepackage[T1]{fontenc}
\usepackage[version=4]{mhchem}
\begin{document}
\begin{minipage}{\textwidth}
\centering
\begin{tcolorbox}[boxrule=1mm,width=0.70\textwidth,colback=green!20]
{\Large {\bf Hierarchy configuration interaction (hCI)}}
\end{tcolorbox}
\smartdiagramset{
font=\large,
text width=5.5cm,
set color list={green!10,green!10}}
\smartdiagramset{module x sep = 6.2, back arrow disabled = true, uniform arrow color = true, arrow color = white}
\smartdiagram[flow diagram:horizontal]{
	Excitation degree $e$\\
 	Seniority number $s$\\
        Hierarchy parameter $h = \frac{e + s/2}{2}$ \\
	\includegraphics[width=1.0\textwidth]{table_hCI},
	Dissociation of \ce{F2} \\
	\includegraphics[width=1.0\textwidth]{plot_pes_hCI.pdf}
	}
\end{minipage}
\end{document}
