data_STI

#**************************************************************************
#
# 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/ 
#
# The atom coordinates and the cell parameters were optimized with DLS76
# assuming a pure SiO2 composition.
#
#**************************************************************************

_cell_length_a                  13.5020(0)
_cell_length_b                  17.8020(0)
_cell_length_c                  17.9420(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     'F m m m'
_symmetry_Int_Tables_number         69
_symmetry_cell_setting             orthorhombic

loop_
_symmetry_equiv_pos_as_xyz
'+x,+y,+z'
'+x,1/2+y,1/2+z'
'1/2+x,1/2+y,+z'
'1/2+x,+y,1/2+z'
'-x,+y,+z'
'-x,1/2+y,1/2+z'
'1/2-x,1/2+y,+z'
'1/2-x,+y,1/2+z'
'+x,-y,+z'
'+x,1/2-y,1/2+z'
'1/2+x,1/2-y,+z'
'1/2+x,-y,1/2+z'
'-x,-y,+z'
'-x,1/2-y,1/2+z'
'1/2-x,1/2-y,+z'
'1/2-x,-y,1/2+z'
'-x,-y,-z'
'-x,1/2-y,1/2-z'
'1/2-x,1/2-y,-z'
'1/2-x,-y,1/2-z'
'+x,-y,-z'
'+x,1/2-y,1/2-z'
'1/2+x,1/2-y,-z'
'1/2+x,-y,1/2-z'
'-x,+y,-z'
'-x,1/2+y,1/2-z'
'1/2-x,1/2+y,-z'
'1/2-x,+y,1/2-z'
'+x,+y,-z'
'+x,1/2+y,1/2-z'
'1/2+x,1/2+y,-z'
'1/2+x,+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     0.0000    0.1449    0.1897
    O2    O     0.1338    0.0738    0.2696
    O3    O     0.1812    0.1978    0.1982
    O4    O     0.1461    0.0738    0.1233
    O5    O     0.3138    0.0000    0.1099
    O6    O     0.1846    0.0000    0.0000
    O7    O     0.0000    0.0000    0.3469
    T1    Si    0.1152    0.1225    0.1953
    T2    Si    0.1978    0.0000    0.0890
    T3    Si    0.1134    0.0000    0.3190
    T4    Si    0.2500    0.2500    0.2500

