https://www.ks.uiuc.edu/Research/namd/mailing_list/namd-l.2012-2013/0750.html
namd-l: Atomic Radii for GB Implicit Solvent
atomic radiinamdlgb
https://support.ccdc.cam.ac.uk/support/solutions/articles/103000306312-is-there-any-way-to-permanently-alter-the-default-atomic-radii-of-atoms-
CCDC support for changing atomic radii in Mercury : CCDC Home
Mercury uses an internal set of atomic van der Waals radii which cannot be edited by the user. These are listed in Appendix A of the User Guide.
support foratomic radiiccdcchangingmercury