data_[K12Na9Sr3Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [9.1933]
_cell_length_b [9.1933]
_cell_length_c [22.9963]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K4Na3SrBr8]
_chemical_formula_sum '[K12 Na9 Sr3 Br24]'
_cell_volume [1683.1933]
_cell_formula_units_Z [3]
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
[
  K  K0  9  0.0000  0.5000  0.5000  1.0
  K  K1  3  -0.0000  -0.0000  0.5000  1.0
  Na  Na2  9  0.0000  0.5000  0.0000  1.0
  Sr  Sr3  3  0.0000  0.0000  0.0000  1.0
  Br  Br4  18  0.0039  0.5020  0.7408  1.0
  Br  Br5  6  0.0000  0.0000  0.2588  1.0
]