/usr/share/xcrysden/examples/WIEN_struct_files/ is in xcrysden-data 1.5.60-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xcrysden/examples/WIEN_struct_files/a-quartz.struct
/usr/share/xcrysden/examples/WIEN_struct_files/al2o3.struct
/usr/share/xcrysden/examples/WIEN_struct_files/b12.struct
/usr/share/xcrysden/examples/WIEN_struct_files/bi.struct
/usr/share/xcrysden/examples/WIEN_struct_files/cab6.struct
/usr/share/xcrysden/examples/WIEN_struct_files/cd16te15sb.struct
/usr/share/xcrysden/examples/WIEN_struct_files/cd8te7sb.struct
/usr/share/xcrysden/examples/WIEN_struct_files/coo.struct
/usr/share/xcrysden/examples/WIEN_struct_files/cos2.struct
/usr/share/xcrysden/examples/WIEN_struct_files/cr2o3.struct
/usr/share/xcrysden/examples/WIEN_struct_files/crb2.struct
/usr/share/xcrysden/examples/WIEN_struct_files/fe2p.struct
/usr/share/xcrysden/examples/WIEN_struct_files/fe4n.struct
/usr/share/xcrysden/examples/WIEN_struct_files/fecl2.struct
/usr/share/xcrysden/examples/WIEN_struct_files/fef2.struct
/usr/share/xcrysden/examples/WIEN_struct_files/ferrocen.struct
/usr/share/xcrysden/examples/WIEN_struct_files/gaas.struct
/usr/share/xcrysden/examples/WIEN_struct_files/in2o3.struct
/usr/share/xcrysden/examples/WIEN_struct_files/mos2.struct
/usr/share/xcrysden/examples/WIEN_struct_files/pt.struct
/usr/share/xcrysden/examples/WIEN_struct_files/si111.struct
/usr/share/xcrysden/examples/WIEN_struct_files/tellur.struct
/usr/share/xcrysden/examples/WIEN_struct_files/ybco7.struct
/usr/share/xcrysden/examples/WIEN_struct_files/yfe2.struct