Missing vertical line in latex table

linemissingtablesvertical

I am using the below code for making a latex table. Unfortunately, when I compile the vertical line of last column is missing.

\documentclass{article}

\begin{document}
    \begin{table}[b!]
\centering
%\footnotesize
\caption{\label{tab:experiments_summary_1}
Summary of fiber experiments. }
\begin{tabular} {|c||c|c|c|*{1}{r@{\,}c@{\,}l|}}
\hline
Type & A
        & B
            & C
                & \multicolumn{3}{c|}{D} \\

\hline \hline
1 & 100 & 284198  & 1940876 & $7.6 \times 10^{-6}$ \\
\hline
2 & 100 & 265212  & 1882294 & $1.8 \times 10^{-6}$ \\
\hline
3 & 200 & 200194  & 1472625 & $7.1 \times 10^{-4}$ \\
\hline
4 & 200 & 40477  & 504115 & $4.6 \times 10^{-4}$ \\
\hline
5 & 300 & 36846  & 314694 & $7.2 \times 10^{-3}$ \\
\hline
6 & 315 & 359881  & 3852568 & $1.5 \times 10^{-3}$ \\
\hline
7 & 420 & 123026  & 1039820 & $5.8 \times 10^{-3}$ \\
\hline
\end{tabular}
\end{table}

    
\end{document}

Best Answer

your D column is really implemented as three columns r@{\,}c@{\,}l (it isn't clear why?)

You only put your math data in the first of these columns so there is no | the final two columns are not used so the final | is never reached.

enter image description here

\documentclass{article}

\begin{document}
    \begin{table}[b!]
\centering
%\footnotesize
\caption{\label{tab:experiments_summary_1}
Summary of fiber experiments. }
\begin{tabular} {|c||c|c|c|c|}
\hline
Type & A
        & B
            & C
                & D \\

\hline \hline
1 & 100 & 284198  & 1940876 & $7.6 \times 10^{-6}$ \\
\hline
2 & 100 & 265212  & 1882294 & $1.8 \times 10^{-6}$ \\
\hline
3 & 200 & 200194  & 1472625 & $7.1 \times 10^{-4}$ \\
\hline
4 & 200 & 40477  & 504115 & $4.6 \times 10^{-4}$ \\
\hline
5 & 300 & 36846  & 314694 & $7.2 \times 10^{-3}$ \\
\hline
6 & 315 & 359881  & 3852568 & $1.5 \times 10^{-3}$ \\
\hline
7 & 420 & 123026  & 1039820 & $5.8 \times 10^{-3}$ \\
\hline
\end{tabular}
\end{table}

    
\end{document}
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