/usr/share/libghemical/3.0.0/param_mm/ is in libghemical-data 3.0.0-4.1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/libghemical/3.0.0/param_mm/default/
/usr/share/libghemical/3.0.0/param_mm/default/atomtypes.txt
/usr/share/libghemical/3.0.0/param_mm/default/parameters1.txt
/usr/share/libghemical/3.0.0/param_mm/default/parameters2.txt
/usr/share/libghemical/3.0.0/param_mm/default/parameters3.txt
/usr/share/libghemical/3.0.0/param_mm/default/parameters4.txt
/usr/share/libghemical/3.0.0/param_mm/prmfit/
/usr/share/libghemical/3.0.0/param_mm/prmfit/atomtypes.txt
/usr/share/libghemical/3.0.0/param_mm/prmfit/parameters1.txt
/usr/share/libghemical/3.0.0/param_mm/prmfit/parameters2.txt
/usr/share/libghemical/3.0.0/param_mm/prmfit/parameters3.txt
/usr/share/libghemical/3.0.0/param_mm/prmfit/parameters4.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/
/usr/share/libghemical/3.0.0/param_mm/tripos52/atomtypes.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/parameters1.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/parameters2.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/parameters3.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/parameters4.txt
/usr/share/libghemical/3.0.0/param_mm/tripos52/parameters5.txt