data_MEP

#**************************************************************************
#
# 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                  13.7050(0)
_cell_length_b                  13.7050(0)
_cell_length_c                  13.7050(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 m -3 n'
_symmetry_Int_Tables_number         223
_symmetry_cell_setting             cubic

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

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
    O1    O     0.0000    0.3439    0.0000
    O2    O     0.0962    0.2462    0.1344
    O3    O     0.0000    0.4042    0.1822
    O4    O     0.2500    0.2500    0.2500
    T1    Si    0.0000    0.3098    0.1124
    T2    Si    0.1823    0.1823    0.1823
    T3    Si    0.2500    0.0000    0.5000

