Graphics, Figures & Tables ⇒ Squeezed Table Elements...Bad alignment

[Xthought1]

Hi All,

Can someone tell me how to solve this problem? I am supposed to have a 3-column table, but the entries are compressed horizontally. Attachments show the mess & a minimum file.

I am getting numerous alignment errors. Here is one of them:
"Misplaced \noalign.\hline ->\noalign
{\ifnum 0=`}\fi \hline@rule \futurelet \reserved@a \@xhline
l.335 ...e$_{2}$O$_{2}$S$_{2}$ at 300 K.}\toprule"


Thanks for any advice.

[Johannes_B]

Oh, crystallography. I bet you had to do some studies to get the hang of it. Special hint: Do the same with LaTeX. The basics are as simple as bcc iron.

If this is for a thesis, you should have a look at the second example, journals might prefer not to have too many extra packages. You should check with the editors.

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\usepackage{booktabs}
\usepackage{chemformula}% You actually want to use this package, really, you do
\usepackage{siunitx}% You actually want to use this package, really, you do
\usepackage{caption}%
%\usepackage{graphicx}%Absolutely not needed
\begin{document}
%\newcommand{\ra}[1]{\renewcommand{\arraystretch}{#1}}% You will
%confuse yourself in the future
% Use the \preprint command to place your local institutional report
% number in the upper righthand corner of the title page in preprint mode.
% Multiple \preprint commands are allowed.
% Use the 'preprintnumbers' class option to override journal defaults
% to display numbers if necessary
%\preprint{}
\begin{table}
\caption{\label{tab:example}Refined parameters for
\ch{La2OFe2O2Se2La2OFe2OS2} at  \SI{300}{\kelvin}.}
% the caption is not part of a tabular
\begin{tabular}{ccc}\toprule
    & La$_{2}$OFe$_{2}$O$_{2}$Se$_{2}$ & La$_{2}$OFe$_{2}$O$_{2}$S$_{2}$\\
\midrule
%\hline
%\multicolumn{2}{c}{} \\%Noting here?
%\cmidrule{lcr}%\\% No idea what you want to do here
\emph{a} [\AA]               & 4.08778(5) & 4.04539(5)\\
\emph{c} [\AA]               & 18.6005(3) & 17.9036(3)      \\
 V[$\AA^3$]                  & 310.816(8) & 292.997(8) \\%doesn't work
4\emph{e}La(\emph{c})        & 0.1843(1)  & 0.1811(1)      \\
4\emph{e} \emph{M}(\emph{c}) & 0.0964(1)  & 0.0933(3)      \\
La B(\AA)                    & 0.21(5)    & 0.30(4)      \\
Fe B(\AA)                    & 0.46(3)    & 0.42(4)      \\
O(1) B(\AA)                  & 0.44(5)    & 0.40(4)      \\
O(2) B(\AA)                  & 0.91(8)    & 0.89(7)      \\
\emph{M}                     & 0.38(4)    & 0.26(8) \\
\bottomrule
\end{tabular}
 
 
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