data_GON

#**************************************************************************
#
# 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                  16.5000(0)
_cell_length_b                  20.1850(0)
_cell_length_c                   5.0800(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     'C 2 2 2'
_symmetry_Int_Tables_number         21
_symmetry_cell_setting             orthorhombic

loop_
_symmetry_equiv_pos_as_xyz
'+x,+y,+z'
'1/2+x,1/2+y,+z'
'+x,-y,-z'
'1/2+x,1/2-y,-z'
'-x,+y,-z'
'1/2-x,1/2+y,-z'
'-x,-y,+z'
'1/2-x,1/2-y,+z'

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
    O1    O     0.3458    0.1838    0.8706
    O2    O     0.3869    0.1992    0.3697
    O3    O     0.2500    0.2500    0.5459
    O4    O     0.2650    0.1202    0.5028
    O5    O     0.1546    0.0869    0.8609
    O6    O     0.2032    0.0000    0.5000
    O7    O     0.1131    0.1021    0.3623
    O8    O     0.0000    0.0967    0.0000
    O9    O     0.0959    0.2015    0.0304
   O10    O     0.0000    0.3061    0.0000
    T1    Si    0.3121    0.1884    0.5715
    T2    Si    0.1840    0.0772    0.5591
    T3    Si    0.0913    0.1217    0.0613
    T4    Si    0.0907    0.2810    0.0693

