l-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
<td style="text-align: left;  vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 0.05D0 eV / Angstrom
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
The simulation stops when the error ( the norm of the force
orthogonal to the path in eV/A ) is less than path_thr.
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