/usr/share/gamgi/dat/molecule/nanotubes/ is in gamgi-data 0.17.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gamgi/dat/molecule/nanotubes/1clustermn.xml
/usr/share/gamgi/dat/molecule/nanotubes/README
/usr/share/gamgi/dat/molecule/nanotubes/armchair_10_10.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_2_2.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_5_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_6_6.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_7_7.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_8_8.xml
/usr/share/gamgi/dat/molecule/nanotubes/armchair_9_9.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_10_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_10_5_long.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_10_5_multiple.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_6_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_7_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_8_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/chiral_9_5.xml
/usr/share/gamgi/dat/molecule/nanotubes/nanotubes.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_10_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_11_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_12_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_13_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_14_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_15_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_16_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_17_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_18_0.xml
/usr/share/gamgi/dat/molecule/nanotubes/zigzag_9_0.xml