data_[Cs2Mg2Ag2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [P2_1/m]
_cell_length_a [7.1416]
_cell_length_b [8.8740]
_cell_length_c [10.5325]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7060]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsMgAgI4]
_chemical_formula_sum '[Cs2 Mg2 Ag2 I8]'
_cell_volume [645.6216]
_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
[
  Cs  Cs0  2  0.2415  0.2500  0.0833  1.0
  Mg  Mg1  2  0.1841  0.7500  0.3166  1.0
  Ag  Ag2  2  0.3122  0.2500  0.6799  1.0
  I  I3  4  0.0645  0.0068  0.7225  1.0
  I  I4  2  0.3362  0.7500  0.0954  1.0
  I  I5  2  0.4994  0.2500  0.4745  1.0
]