data_[Na4Mg8Ag4Cl24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.0667]
_cell_length_b [12.1218]
_cell_length_c [6.9102]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4918]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaMg2AgCl6]
_chemical_formula_sum '[Na4 Mg8 Ag4 Cl24]'
_cell_volume [1068.6022]
_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
[
  Na  Na0  4  0.0000  0.2633  0.7500  1.0
  Mg  Mg1  8  0.2007  0.4114  0.2934  1.0
  Ag  Ag2  4  0.0000  0.1019  0.2500  1.0
  Cl  Cl3  8  0.1155  0.0849  0.6280  1.0
  Cl  Cl4  8  0.1279  0.2550  0.1243  1.0
  Cl  Cl5  8  0.1365  0.4306  0.5930  1.0
]