/usr/share/avogadro/crystals/zeolites/CHI.cif is in avogadro-data 1.2.0-3.
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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 5.0100(0)
_cell_length_b 31.2340(0)
_cell_length_c 9.0120(0)
_cell_angle_alpha 90.0000(0)
_cell_angle_beta 90.0000(0)
_cell_angle_gamma 90.0000(0)
_symmetry_space_group_name_H-M 'P b c n'
_symmetry_Int_Tables_number 60
_symmetry_cell_setting orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
'+x,+y,+z'
'1/2-x,1/2+y,+z'
'+x,-y,1/2+z'
'1/2-x,1/2-y,1/2+z'
'-x,-y,-z'
'1/2+x,1/2-y,-z'
'-x,+y,1/2-z'
'1/2+x,1/2+y,1/2-z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
O1 O 0.2112 0.7623 0.0158
O2 O 0.8450 0.8176 0.9326
O3 O 0.0000 0.7567 0.7500
O4 O 0.3078 0.1029 0.0243
O5 O 0.5000 0.1471 0.2500
O6 O 0.0000 0.1218 0.2500
O7 O 0.3198 0.0336 0.8560
O8 O 0.3144 0.0262 0.1472
O9 O 0.7401 0.0556 0.0119
T1 Si 0.9420 0.7686 0.9207
T2 Si 0.2423 0.1386 0.1479
T3 Si 0.4185 0.0547 0.0098
T4 Si 0.5000 0.9962 0.2500
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