data_[Na2Sr2La2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  La  1.1000  1.9500  1.1720
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [7.6888]
_cell_length_b [7.6888]
_cell_length_c [14.5027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [NaSrLaI6]
_chemical_formula_sum '[Na2 Sr2 La2 I12]'
_cell_volume [857.3741]
_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
[
  Na  Na0  2  0.0000  0.0000  0.6670  1.0
  Sr  Sr1  2  0.0000  0.0000  0.9989  1.0
  La  La2  2  0.0000  0.0000  0.3337  1.0
  I  I3  4  0.1950  0.8050  0.4975  1.0
  I  I4  4  0.1973  0.8027  0.1720  1.0
  I  I5  4  0.2056  0.7944  0.8308  1.0
]