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The $cosmo_isorad section defines the radii defined isosurface cavity construction.
The option uses the algorithm of the isodensity cavity construction but the objective function used depends
on the cosmo radii instead of the electron density. The default values of
nsph are changed to 162 and 92, respectively. This values are superseded by the user defined
nspa value of
the $cosmo section.
The resulting surface exhibits smoother intersection seams and the segment areas are less diverse than the ones of the standard
radii bases cavity construction. Because gradients are not implemented, the radii based isosurface cavity can be
used in single point calculations only.
spacing of the marching tetrahedron grid in Å (default: 0.3Å).