data_[K2Rb6Na4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.5305]
_cell_length_b [4.6930]
_cell_length_c [9.4496]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.0201]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb3Na2Br6]
_chemical_formula_sum '[K2 Rb6 Na4 Br12]'
_cell_volume [883.3381]
_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
[
  Rb  Rb0  4  0.1646  0.0000  0.8316  1.0
  K  K1  2  0.0000  0.5000  0.0000  1.0
  Rb  Rb2  2  0.0000  0.5000  0.5000  1.0
  Na  Na3  4  0.1698  0.0000  0.3378  1.0
  Br  Br4  4  0.0112  0.0000  0.2488  1.0
  Br  Br5  4  0.1659  0.5000  0.1076  1.0
  Br  Br6  4  0.1750  0.5000  0.5642  1.0
]