data_[K3Rb1Br4]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [6.7596]
_cell_length_b [6.7587]
_cell_length_c [6.7597]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0011]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [K3RbBr4]
_chemical_formula_sum '[K3 Rb1 Br4]'
_cell_volume [308.8226]
_cell_formula_units_Z [1]
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  1  0.2427  0.0000  0.0053  1
  Rb  Rb1  1  0.2574  0.5000  0.5054  1
  K  K2  1  0.7427  0.0000  0.4947  1
  K  K3  1  0.7573  0.5000  0.9947  1
  Br  Br4  1  0.2427  0.0000  0.5053  1
  Br  Br5  1  0.2571  0.5000  0.0054  1
  Br  Br6  1  0.7429  0.0000  0.9946  1
  Br  Br7  1  0.7572  0.5000  0.4945  1
]