/usr/share/gamgi/dat/molecule/small/ is in gamgi-data 0.17.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gamgi/dat/molecule/small/CCl4.xml
/usr/share/gamgi/dat/molecule/small/EtOH.xml
/usr/share/gamgi/dat/molecule/small/H2O.xml
/usr/share/gamgi/dat/molecule/small/H2O2.xml
/usr/share/gamgi/dat/molecule/small/H2O_H2O.xml
/usr/share/gamgi/dat/molecule/small/H2SO4.xml
/usr/share/gamgi/dat/molecule/small/H3O.xml
/usr/share/gamgi/dat/molecule/small/H3PO4.xml
/usr/share/gamgi/dat/molecule/small/HCl.xml
/usr/share/gamgi/dat/molecule/small/MeOH.xml
/usr/share/gamgi/dat/molecule/small/NH3.xml
/usr/share/gamgi/dat/molecule/small/O3.xml
/usr/share/gamgi/dat/molecule/small/OH.xml
/usr/share/gamgi/dat/molecule/small/README
/usr/share/gamgi/dat/molecule/small/S8.xml