/usr/share/avogadro/crystals/zeolites/CZP.cif is in avogadro-data 1.2.0-3.
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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 9.3550(0)
_cell_length_b 9.3550(0)
_cell_length_c 14.8620(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 61 2 2'
_symmetry_Int_Tables_number 178
_symmetry_cell_setting hexagonal
loop_
_symmetry_equiv_pos_as_xyz
'+x,+y,+z'
'-y,+x-y,1/3+z'
'-x+y,-x,2/3+z'
'+y,+x,1/3-z'
'+x-y,-y,-z'
'-x,-x+y,2/3-z'
'-x,-y,1/2+z'
'+y,-x+y,5/6+z'
'+x-y,+x,1/6+z'
'-y,-x,5/6-z'
'-x+y,+y,1/2-z'
'+x,+x-y,1/6-z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
O1 O 0.8353 0.5511 0.3299
O2 O 0.0164 0.7833 0.2105
O3 O 0.6575 0.6064 0.4467
O4 O 0.8201 0.4562 0.4999
T1 Si 0.8210 0.5928 0.4337
T2 Si 0.4678 0.5322 0.4167
T3 Si 0.8333 0.6667 0.2500
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