data_[Rb4Mg8Ag4I24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.6310]
_cell_length_b [15.6086]
_cell_length_c [8.5001]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9069]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbMg2AgI6]
_chemical_formula_sum '[Rb4 Mg8 Ag4 I24]'
_cell_volume [1937.2954]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.1282  0.2500  1.0
  Mg  Mg1  8  0.1887  0.4267  0.1880  1.0
  Ag  Ag2  4  0.0000  0.2073  0.7500  1.0
  I  I3  8  0.1224  0.0728  0.6904  1.0
  I  I4  8  0.1242  0.2677  0.0600  1.0
  I  I5  8  0.1300  0.4375  0.4649  1.0
]