data_[Mg4Ag4I2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.4867]
_cell_length_b [9.2621]
_cell_length_c [6.3249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.3873]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg2Ag2IO6]
_chemical_formula_sum '[Mg4 Ag4 I2 O12]'
_cell_volume [297.1948]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Mg  Mg0  4  0.0000  0.1657  0.5000  1.0
  Ag  Ag1  4  0.0000  0.1851  0.0000  1.0
  I  I2  2  0.0000  0.5000  0.5000  1.0
  O  O3  8  0.0803  0.3395  0.3195  1.0
  O  O4  4  0.1027  0.0000  0.3110  1.0
]