ext-align: right; vertical-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; "> .FALSE.
               </td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
If. TRUE. the optimisation of the path is performed using
mass-weighted coordinates. Useful together with quick-min
optimization scheme, if some bonds are much stiffer than
others. By assi