/usr/share/avogadro/crystals/zeolites/LTL.cif is in avogadro-data 1.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#**************************************************************************
#
# CIF taken from the IZA-SC Database of Zeolite Structures
# Ch. Baerlocher and L.B. McCusker
# Database of Zeolite Structures: http://www.iza-structure.org/databases/
#
# All data on this site have been placed in the public domain.
# If you use this work in a scientific publication, you are obligated to
# cite its origin.
#
# The atom coordinates and the cell parameters were optimized with DLS76
# assuming a pure SiO2 composition.
#
#**************************************************************************
_cell_length_a 18.1260(0)
_cell_length_b 18.1260(0)
_cell_length_c 7.5670(0)
_cell_angle_alpha 90.0000(0)
_cell_angle_beta 90.0000(0)
_cell_angle_gamma 120.0000(0)
_symmetry_space_group_name_H-M 'P 6/m m m'
_symmetry_Int_Tables_number 191
_symmetry_cell_setting hexagonal
loop_
_symmetry_equiv_pos_as_xyz
'+x,+y,+z'
'-y,+x-y,+z'
'-x+y,-x,+z'
'-x,-y,+z'
'+y,-x+y,+z'
'+x-y,+x,+z'
'-y,-x,+z'
'-x+y,+y,+z'
'+x,+x-y,+z'
'+y,+x,+z'
'+x-y,-y,+z'
'-x,-x+y,+z'
'-x,-y,-z'
'+y,-x+y,-z'
'+x-y,+x,-z'
'+x,+y,-z'
'-y,+x-y,-z'
'-x+y,-x,-z'
'+y,+x,-z'
'+x-y,-y,-z'
'-x,-x+y,-z'
'-y,-x,-z'
'-x+y,+y,-z'
'+x,+x-y,-z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
O1 O 0.2645 0.5289 0.2231
O2 O 0.1099 0.4162 0.3263
O3 O 0.1484 0.5742 0.2620
O4 O 0.1365 0.4736 0.0000
O5 O 0.0000 0.2797 0.5000
O6 O 0.1628 0.3256 0.5000
T1 Si 0.1648 0.4982 0.2030
T2 Si 0.0959 0.3594 0.5000
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